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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 10-Q

☒	QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2020

☐	TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

FOR THE TRANSITION PERIOD FROM TO

Commission File Number:

001-12251

AMERISAFE, INC.

(Exact Name of Registrant as Specified in Its Charter)

Texas		75-2069407
(State of Incorporation)		(I.R.S. Employer Identification Number)

2301 Highway 190 West, DeRidder, Louisiana		70634
(Address of Principal Executive Offices)		(Zip Code)

Registrant’s telephone number, including area code: (337) 463-9052

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Common		AMSF		NASDAQ

Indicate by check mark whether the Registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the Registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No ☐

Indicate by check mark whether the Registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the Registrant was required to submit such files). Yes ☒ No ☐

Indicate by check mark whether the Registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	☒	Accelerated filer	☐
Non-accelerated filer	☐	Smaller reporting company	☐
		Emerging growth company	☐

If an emerging growth company, indicate by check mark if the Registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the Registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No ☒

As of July 27, 2020, there were 19,331,059 shares of the Registrant’s common stock, par value $0.01 per share, outstanding.

TABLE OF CONTENTS

		Page
		No.

FORWARD-LOOKING STATEMENTS		3

PART I - FINANCIAL INFORMATION

Item 1	Financial Statements	4

Item 2	Management’s Discussion and Analysis of Financial Condition and Results of Operations	24

Item 3	Quantitative and Qualitative Disclosures About Market Risk	30

Item 4	Controls and Procedures	30

PART II - OTHER INFORMATION

Item 2	Unregistered Sales of Equity Securities and Use of Proceeds	31

Item 6	Exhibits	31

FORWARD-LOOKING STATEMENTS

This report contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and 21E of the Securities Exchange Act of 1934. You should not place undue reliance on these statements. These forward-looking statements include statements that reflect the current views of our senior management with respect to our financial performance and future events with respect to our business and the insurance industry in general. Statements that include the words “expect,” “intend,” “plan,” “believe,” “project,” “forecast,” “estimate,” “may,” “should,” “anticipate” and similar statements of a future or forward-looking nature identify forward-looking statements. Forward-looking statements address matters that involve risks and uncertainties. Accordingly, there are or will be important factors that could cause our actual results to differ materially from those indicated in these statements. We believe that these factors include, but are not limited to, the following:

•

the impact of epidemics, pandemics and public health outbreaks, including the ongoing COVID-19 pandemic, could adversely affect our business operations;

•

the cyclical nature of the workers’ compensation insurance industry;

•

increased competition on the basis of types of insurance offered, premium rates, coverage availability, payment terms, claims management, safety services, policy terms, overall financial strength, financial ratings and reputation;

•

changes in relationships with independent agencies;

•

general economic conditions, including recession, inflation, performance of financial markets, interest rates, unemployment rates and fluctuating asset values;

•

developments in capital markets that adversely affect the performance of our investments;

•

technology breaches or failures, including those resulting from a malicious cyber attack on the Company or its policyholders and medical providers;

•

decreased level of business activity of our policyholders caused by decreased business activity generally, and in particular in the industries we target;

•

greater frequency or severity of claims and loss activity than our underwriting, reserving or investment practices anticipate based on historical experience or industry data;

•

adverse developments in economic, competitive, judicial or regulatory conditions within the workers’ compensation insurance industry;

•

loss of the services of any of our senior management or other key employees;

•

changes in regulations, laws, rates, rating factors, or taxes applicable to the Company, its policyholders or the agencies that sell its insurance;

•

changes in current accounting standards or new accounting standards;

•

changes in legal theories of liability under our insurance policies;

•

changes in rating agency policies, practices or ratings;

•

changes in the availability, cost or quality of reinsurance and the failure of our reinsurers to pay claims in a timely manner or at all;

•

the effects of U.S. involvement in hostilities with other countries and large-scale acts of terrorism, or the threat of hostilities or terrorist acts; and

•

other risks and uncertainties described from time to time in the Company’s filings with the Securities and Exchange Commission (“SEC”).

The foregoing factors should not be construed as exhaustive and should be read together with the other cautionary statements in this report, and under the caption “Risk Factors” in Item 1A of our Annual Report on Form 10-K for the year ended December 31, 2019. Actual results may differ materially from the results expressed or implied in these statements if the underlying assumptions prove to be incorrect or as the results of risks, uncertainties and other factors including the impact of the COVID-19 pandemic on the business and operations of the Company and our policyholders and the market value of the securities in our investment portfolio.

PART I - FINANCIAL INFORMATION

Item 1. Financial Statements.

AMERISAFE, INC. AND SUBSIDIARIES

CONSOLIDATED BALANCE SHEETS

(in thousands, except share data)

	June 30, 2020			December 31, 2019
	(unaudited)
Assets
Investments:
Fixed maturity securities—held-to-maturity, at amortized cost net of allowance for credit losses of $357 and $0 in 2020 and 2019, respectively, (fair value $609,281 and $621,343 in 2020 and 2019, respectively)	$	576,191		$	599,421
Fixed maturity securities—available-for-sale, at fair value (amortized cost $392,117, allowance for credit losses of $0 in 2020 and amortized cost $425,698, allowance for credit losses of $0 in 2019)		416,240			441,146
Equity securities, at fair value (cost $33,227 and $24,457 in 2020 and 2019, respectively)		33,480			27,903
Short-term investments		72,849			56,548
Total investments		1,098,760			1,125,018
Cash and cash equivalents		110,281			43,813
Amounts recoverable from reinsurers (net of allowance for credit losses of $388 and $0 in 2020 and 2019, respectively)		103,524			95,913
Premiums receivable (net of allowance for credit losses of $5,277 and $5,112 in 2020 and 2019, respectively)		175,241			157,953
Deferred income taxes		16,704			17,513
Accrued interest receivable		9,297			9,730
Property and equipment, net		6,385			6,331
Deferred policy acquisition costs		19,765			19,048
Other assets		10,016			17,587
Total assets	$	1,549,973		$	1,492,906
Liabilities and shareholders’ equity
Liabilities:
Reserves for loss and loss adjustment expenses	$	768,767		$	772,887
Unearned premiums		147,824			140,873
Amounts held for others		41,501			37,937
Policyholder deposits		43,285			44,718
Insurance-related assessments		25,955			22,967
Federal income tax payable		12,098			3,220
Accounts payable and other liabilities		40,712			40,089
Payable for investments purchased		7,035			—
Total liabilities		1,087,177			1,062,691
Shareholders’ equity:
Common stock: voting—$0.01 par value authorized shares—50,000,000 in 2020 and 2019; 20,589,309 and 20,560,833 shares issued and 19,331,059 and 19,302,583 shares outstanding in 2020 and 2019, respectively		206			205
Additional paid-in capital		214,894			213,004
Treasury stock, at cost (1,258,250 shares in 2020 and 2019)		(22,370	)		(22,370	)
Accumulated earnings		250,888			227,165
Accumulated other comprehensive income, net		19,178			12,211
Total shareholders’ equity		462,796			430,215
Total liabilities and shareholders’ equity	$	1,549,973		$	1,492,906

See accompanying notes.

AMERISAFE, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF INCOME

(in thousands, except share and per share data)

(unaudited)

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2020			2019			2020			2019
Revenues
Gross premiums written	$	80,289		$	87,018		$	167,360		$	180,125
Ceded premiums written		(2,672	)		(2,204	)		(5,455	)		(4,634	)
Net premiums written	$	77,617		$	84,814		$	161,905		$	175,491
Net premiums earned	$	75,964		$	82,951		$	154,954		$	167,899
Net investment income		7,324			8,169			15,073			16,184
Net realized gains (losses) on investments		163			(82	)		1,155			(23	)
Net unrealized gains (losses) on equity securities		5,570			642			(3,193	)		2,800
Loss on disposal of assets		(29	)		—			(29	)		—
Fee and other income		90			73			291			83
Total revenues		89,082			91,753			168,251			186,943
Expenses
Loss and loss adjustment expenses incurred		37,530			48,868			81,177			98,482
Underwriting and certain other operating costs		7,786			7,416			16,003			14,968
Commissions		5,812			6,243			11,867			12,611
Salaries and benefits		7,533			6,059			14,545			12,806
Policyholder dividends		948			998			1,971			2,098
Provision for investment related credit loss expense		82			—			56			—
Total expenses		59,691			69,584			125,619			140,965
Income before income taxes		29,391			22,169			42,632			45,978
Income tax expense		5,443			4,279			7,884			8,688
Net income	$	23,948		$	17,890		$	34,748		$	37,290
Earnings per share
Basic	$	1.24		$	0.93		$	1.80		$	1.94
Diluted	$	1.24		$	0.93		$	1.80		$	1.93
Shares used in computing earnings per share
Basic		19,280,684			19,245,592			19,273,347			19,237,401
Diluted		19,335,707			19,306,953			19,335,748			19,316,276
Cash dividends declared per common share	$	0.27		$	0.25		$	0.54		$	0.50

See accompanying notes.

AMERISAFE, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(in thousands)

(unaudited)

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2020		2019		2020		2019
Net income	$	23,948	$	17,890	$	34,748	$	37,290
Other comprehensive income:
Unrealized gain on debt securities, net of tax		5,483		4,980		6,967		10,972
Change in deferred tax valuation allowance		—		198		—		—
Comprehensive income	$	29,431	$	23,068	$	41,715	$	48,262

See accompanying notes.

AMERISAFE, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS’ EQUITY

Three Months Ended June 30, 2020 and 2019

(in thousands, except share data)

(unaudited)

	Common Stock				Additional Paid-In		Treasury Stock						Accumulated			Accumulated Other Comprehensive
	Shares		Amounts		Capital		Shares			Amounts			Earnings			Income		Total
Balance at March 31, 2020		20,561,034	$	205	$	213,267		(1,258,250	)	$	(22,370	)	$	232,159		$	13,695	$	436,956
Comprehensive income:
Net income		—		—		—		—			—			23,948			—		23,948
Other comprehensive income:
Change in unrealized gains, net of tax		—		—		—		—			—			—			5,483		5,483
Comprehensive income:																			29,431
Common stock issued		28,275		1		1,359		—			—			—			—		1,360
Share-based compensation		—		—		268		—			—			—			—		268
Dividends to shareholders		—		—		—		—			—			(5,219	)		—		(5,219	)
Balance at June 30, 2020		20,589,309	$	206	$	214,894		(1,258,250	)	$	(22,370	)	$	250,888		$	19,178	$	462,796

	Common Stock				Additional Paid-In		Treasury Stock						Accumulated			Accumulated Other Comprehensive
	Shares		Amounts		Capital		Shares			Amounts			Earnings			Income		Total
Balance at March 31, 2019		20,533,230	$	205	$	211,700		(1,258,250	)	$	(22,370	)	$	235,908		$	4,962	$	430,405
Comprehensive income:
Net income		—		—		—		—			—			17,890			—		17,890
Other comprehensive income:
Change in unrealized gains, net of tax		—		—		—		—			—			—			4,980		4,980
Change in deferred tax valuation allowance		—		—		—		—			—			—			198		198
Comprehensive income:																			23,068
Common stock issued		23,281		—		560		—			—			—			—		560
Share-based compensation		—		—		233		—			—			—			—		233
Dividends to shareholders		—		—		—		—			—			(4,823	)		—		(4,823	)
Balance at June 30, 2019		20,556,511	$	205	$	212,493		(1,258,250	)	$	(22,370	)	$	248,975		$	10,140	$	449,443

See accompanying notes.

AMERISAFE, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS’ EQUITY

Six Months Ended June 30, 2020 and 2019

(in thousands, except share data)

(unaudited)

	Common Stock				Additional Paid-In		Treasury Stock						Accumulated			Accumulated Other Comprehensive
	Shares		Amounts		Capital		Shares			Amounts			Earnings			Income			Total
Balance at December 31, 2019		20,560,833	$	205	$	213,004		(1,258,250	)	$	(22,370	)	$	227,165		$	12,211		$	430,215
Impact of adoption of ASU 2016-13		—		—		—		—			—			(594	)		—			(594	)
Comprehensive income:
Net income		—		—		—		—			—			34,748			—			34,748
Other comprehensive income:
Change in unrealized gains, net of tax		—		—		—		—			—			—			6,967			6,967
Comprehensive income:																				41,715
Common stock issued		28,476		1		1,359		—			—			—			—			1,360
Share-based compensation		—		—		531		—			—			—			—			531
Dividends to shareholders		—		—		—		—			—			(10,431	)		—			(10,431	)
Balance at June 30, 2020		20,589,309	$	206	$	214,894		(1,258,250	)	$	(22,370	)	$	250,888		$	19,178		$	462,796

	Common Stock				Additional Paid-In		Treasury Stock						Accumulated			Accumulated Other Comprehensive
	Shares		Amounts		Capital		Shares			Amounts			Earnings			Income (Loss)			Total
Balance at December 31, 2018		20,528,230	$	205	$	211,431		(1,258,250	)	$	(22,370	)	$	221,328		$	(832	)	$	409,762
Impact of adoption of ASU 2016-02		—		—		—		—			—			(1	)		—			(1	)
Comprehensive income:
Net income		—		—		—		—			—			37,290			—			37,290
Other comprehensive income:
Change in unrealized losses, net of tax		—		—		—		—			—			—			10,972			10,972
Comprehensive income:																				48,262
Common stock issued upon exercise of options		5,000		—		20		—			—			—			—			20
Common stock issued		23,281		—		560		—			—			—			—			560
Share-based compensation		—		—		482		—			—			—			—			482
Dividends to shareholders		—		—		—		—			—			(9,642	)		—			(9,642	)
Balance at June 30, 2019		20,556,511	$	205	$	212,493		(1,258,250	)	$	(22,370	)	$	248,975		$	10,140		$	449,443

See accompanying notes.

AMERISAFE, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CASH FLOWS

(in thousands)

(unaudited)

	Six Months Ended June 30,
	2020			2019
Operating activities
Net income	$	34,748		$	37,290
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation		496			449
Net amortization of investments		4,198			4,483
Change in investment related allowance for credit losses		56			—
Deferred income taxes		(893	)		(526	)
Net realized (gains) losses on investments		(1,155	)		23
Net unrealized (gains) losses on equity securities		3,193			(2,800	)
Net realized losses on disposal of assets		29			—
Share-based compensation		1,778			509
Changes in operating assets and liabilities:
Premiums receivable, net		(17,288	)		(12,542	)
Accrued interest receivable		433			111
Deferred policy acquisition costs		(717	)		(816	)
Amounts held by others		7,855			1
Other assets		(248	)		(947	)
Reserves for loss and loss adjustment expenses		(4,120	)		(3,363	)
Unearned premiums		6,951			7,593
Reinsurance balances		(8,054	)		8,317
Amounts held for others and policyholder deposits		2,131			1,976
Accounts payable and other liabilities		12,777			(189	)
Net cash provided by operating activities		42,170			39,569
Investing activities
Purchases of investments held-to-maturity		(38,658	)		(67,571	)
Purchases of investments available-for-sale		(29,303	)		(27,356	)
Purchases of equity securities		(8,770	)		(2,620	)
Purchases of short-term investments		(68,787	)		(79,224	)
Proceeds from maturities of investments held-to-maturity		59,543			73,865
Proceeds from sales and maturities of investments available-for-sale		68,430			60,494
Proceeds from sales and maturities of short-term investments		52,959			23,679
Purchases of property and equipment		(579	)		(148	)
Net cash provided by (used in) investing activities		34,835			(18,881	)
Financing activities
Proceeds from stock option exercises		—			20
Finance lease purchases		(25	)		(23	)
Dividends to shareholders		(10,512	)		(9,783	)
Net cash used in financing activities		(10,537	)		(9,786	)
Change in cash and cash equivalents		66,468			10,902
Cash and cash equivalents at beginning of period		43,813			40,344
Cash and cash equivalents at end of period	$	110,281		$	51,246

See accompanying notes.

AMERISAFE, INC. AND SUBSIDIARIES

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

(unaudited)

Note 1. Basis of Presentation

AMERISAFE, Inc. (the “Company”) is an insurance holding company incorporated in the state of Texas. The accompanying unaudited consolidated financial statements include the accounts of AMERISAFE and its subsidiaries: American Interstate Insurance Company (“AIIC”) and its insurance subsidiaries, Silver Oak Casualty, Inc. (“SOCI”) and American Interstate Insurance Company of Texas (“AIICTX”), Amerisafe Risk Services, Inc. (“RISK”) and Amerisafe General Agency, Inc. (“AGAI”). AIIC and SOCI are property and casualty insurance companies organized under the laws of the state of Nebraska. AIICTX is a property and casualty insurance company organized under the laws of the state of Texas. RISK, a wholly owned subsidiary of the Company, is a claims and safety service company currently servicing only affiliated insurance companies. AGAI, a wholly owned subsidiary of the Company, is a general agent for the Company. AGAI sells insurance, which is underwritten by AIIC, SOCI and AIICTX, as well as by nonaffiliated insurance carriers. The assets and operations of AGAI are not significant to that of the Company and its consolidated subsidiaries.

The terms “AMERISAFE,” the “Company,” “we,” “us” or “our” refer to AMERISAFE, Inc. and its consolidated subsidiaries, as the context requires.

The Company provides workers’ compensation insurance for small to mid-sized employers engaged in hazardous industries, principally construction, trucking, logging and lumber, manufacturing, agriculture, maritime, and oil and gas. Assets and revenues of AIIC and its subsidiaries represent at least 95% of comparable consolidated amounts of the Company for each of the six months ended June 30, 2020 and 2019.

In the opinion of management of the Company, the accompanying unaudited consolidated financial statements contain all adjustments (consisting of normal recurring accruals) necessary to present fairly the financial position, the results of operations and cash flows for the periods presented. The unaudited consolidated financial statements have been prepared in accordance with the instructions to Form 10-Q under the Securities Exchange Act of 1934 and therefore do not include all information and footnotes to be in conformity with accounting principles generally accepted in the United States (“GAAP”). The results for the interim periods are not necessarily indicative of the results of operations that may be expected for the year. The unaudited consolidated financial statements contained herein should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2019.

The preparation of financial statements in accordance with GAAP requires management to make estimates and assumptions that affect the reported amounts of our assets, liabilities, revenues and expenses and related disclosures. Some of the estimates result from judgments that can be subjective and complex and, consequently, actual results in future periods might differ from these estimates.

Adopted Accounting Guidance

On January 1, 2020, the Company adopted ASU 2016-13, Financial Instruments – Credit Losses (Topic 326): Measurement of Credit Losses (“CECL”). The prior guidance delays the recognition of credit losses until a probable loss has occurred. The new guidance requires credit losses for securities measured at amortized cost to be determined using current expected credit loss estimates. These estimates are derived from historical, current and reasonable supporting forecasts, including prepayments and estimates, and are recorded through a valuation account. The same method is used for available-for-sale securities, but the valuation account is limited to the amount by which the fair value is below amortized cost.

The Company implemented the new standard using the modified retrospective approach. Results for reporting periods beginning after January 1, 2020 are presented under the new guidance while prior period amounts continue to be reported in accordance with previously applicable GAAP. The Company recorded a net decrease to Retained Earnings of $594 thousand as of January 1, 2020, for the cumulative effect of adopting ASU 2016-13. The transition adjustment includes a $243 thousand impact to establish a credit loss allowance for held-to-maturity securities. The remaining $351 thousand of the transition adjustment was due to the creation of the reinsurance recoverable credit allowance.

The Company believes that under the standard there is no current expected credit allowance necessary for U.S. Government Securities in its judgment as: 1) Treasury securities typically are the most highly rated securities among rating agencies; 2) Treasury securities have a long history of no credit losses; 3) Treasury securities are guaranteed by a sovereign entity (the U.S. Government) that can print its own money and whose currency (the U.S. dollar) is the reserve currency.

The Company believes that under the standard there is no current expected credit allowance necessary for GNMA Securities in its judgment as: 1) GNMA securities typically are the most highly rated securities among rating agencies; 2) GNMA securities have a long history of no credit losses and payments are explicitly guaranteed by the United States; 3) Underlying mortgage loans for GNMA securities are insured by the Federal Housing Administration or guaranteed by the U.S. Department of Veteran Affairs; 4) the U.S. Government can print its own money to retire GNMA obligations.

The Company believes that under the standard there is no current expected credit allowance necessary for FNMA or Freddie Mac (FHLMC) Securities in its judgment as: 1) These securities typically are among the most highly rated securities among rating agencies; 2) There is a long history of no credit losses; 3) Principal and interest payments are guaranteed by the issuing agency; 4) There is an explicit guarantee by the U.S. Government that can print its own money and whose currency (the U.S. dollar) is the reserve currency.

The Company researched various options and methodologies and has chosen to use Moody’s default rates and recovery rates for our held-to-maturity fixed income securities based on the current credit rating of the security and the time period to the stated maturity date. This is a probability of default (PD) and loss given default (LGD) methodology.

For corporate fixed income securities, the probability of default (given a rating) comes from Moody’s annual study of Corporate Bond defaults published each February. This study also contains the average recovery rates based on the historical defaults in the Moody’s study. We have chosen to use the 1983-2018 data as more reflective of the current historical pattern of defaults (the study goes back to 1920). The maximum maturity using the default rate is 20 years (any maturity greater than 20 years will use the 20-year rate).

For municipal fixed income securities the probability of default (given a rating) comes from Moody’s annual study of Municipal Bond defaults published each July/August. This study also contains the average recovery rates based on the historical defaults in the Moody’s study. This study covers 1970-2018 data, which we believe is reflective of the current historical pattern of defaults. The maximum maturity using the default rate is 20 years (any maturity greater than 20 years will use the 20-year rate).

The Company did not record a credit allowance for available-for-sale securities. The available-for-sale portfolio is composed of highly rated securities, which carry a low risk of default. The Company’s concentrations in municipal bonds have helped lower default risk, as the historical default rates and recovery rates for municipal bonds has been much better than corporate bonds rated at the same level. The Company creates a watch list of available-for-sale securities that are below book value at the end of each quarter. This watch list excludes US Treasury securities, GNMA Securities, and government agency securities (FNMA, etc.) as none of those securities will have an expected credit loss. The watch list will also exclude those securities that are trading at least at $95 or above (par value $100) as the Company believes any slight difference between $95 and par likely reflect interest rate changes and liquidity only and are not a sign of credit impairment or market expectations for any current expected credit loss.

The list is reviewed by the Management Investment Committee to evaluate any security where the discounted cash flows expected no longer exceed the book value of the security. If the Company intends to sell the security (or more likely than not be required to sell the security before recovery of the loss) the Company will write down the security to fair value through earnings. If the Company intends to hold the security, the Company will establish a credit loss allowance for the security through earnings, and adjust the allowance each quarter through earnings, as the security changes in value.

In determining the amount of the credit loss allowance, the Company will consider all of the following factors:

1. The extent to which the fair value is less than the amortized cost basis

2. Adverse conditions in the security, industry, or geography, including:

a.) Changes in technology

b.) Discontinuation of a segment of business that may affect future earnings

c.) Changes in the quality of the credit enhancement, if any

3. Changes in the payment structure of the debt security

4. Failure of the issuer to make scheduled interest or principal payments

5. Any changes to the rating of the security by a rating agency

The calculation of the credit loss allowance will not take into account the amount of time the security has been below book value or when the security might be expected to recover in value.

The Company has researched various options and methodologies and has chosen to use Moody’s default rates and recovery rates for our unsecured reinsurance recoverables based on the current credit rating of the reinsurer and a time period of ten years. This is a probability of default (PD) and loss given default (LGD) methodology. The ten-year period is consistent with our current working layer reinsurance treaty where we have a three-year treaty, which must be commuted by the end of the tenth year. We believe this is an appropriate approach to our reinsurance recoverables.

The credit rating used for reinsurance recoverables uses the average rating for each reinsurer as published by Moody’s, S&P, Fitch and A.M. Best to determine the probability of default. The median rating is used if there are three ratings. The probability of default (given a rating) comes from Moody’s annual study of Corporate Bond defaults published each February. This study also contains the average recovery rates based on the historical defaults in the Moody’s study. We have chosen to use the 1983-2018 data as more reflective of the current historical pattern of defaults (the study goes back to 1920).

The Company does not hold any debt securities for which an other-than-temporary impairment has been recognized. Additionally, the Company does not hold any financial assets purchased with credit deterioration.

The Company’s internal working group evaluated the existing allowance for doubtful accounts reserving methodology for premiums receivable and determined the calculation was consistent with the new credit loss guidance. There was no impact to the premiums receivable balance as a result of the adoption of the new standard.

The Company has elected not to establish a credit allowance for investment interest receivable. The Company plans to continue use of the current policy for writing off investment related interest receivable balances over ninety days old.

Prospective Accounting Guidance

All issued but not yet effective accounting and reporting standards as of June 30, 2020 are either not applicable to the Company or are not expected to have a material impact on the Company.

Note 2. Stock Options and Restricted Stock

As of June 30, 2020, the Company has two equity incentive plans: the AMERISAFE Non-Employee Director Restricted Stock Plan (the “Restricted Stock Plan”) and the AMERISAFE 2012 Equity and Incentive Compensation Plan (the “2012 Incentive Plan”). In connection with the approval of the 2012 Incentive Plan by the Company’s shareholders, no further grants were made under the AMERISAFE 2005 Incentive Plan. There are no outstanding options or restricted stock awards under the 2005 Incentive Plan. See Note 12 to our consolidated financial statements included in our Annual Report on Form 10-K for the year ended December 31, 2019 for additional information regarding the Company’s incentive plans.

During the six months ended June 30, 2020, the Company issued 23,207 shares of common stock pursuant to vested performance awards and 5,269 shares of restricted common stock to non-employee directors. The market value of these shares totaled $1.8 million. During the six months ended June 30, 2019, the Company issued 9,391 shares of common stock pursuant to vested performance awards and 9,000 shares of restricted common stock to executive officers. During the six months ended June 30, 2019, the Company issued 4,890 shares of restricted common stock to non-employee directors. The market value of these shares totaled $1.4 million.

During the six months ended June 30, 2020, there were no exercises of options to purchase common stock. During the six months ended June 30, 2019, options to purchase 5,000 shares of common stock were exercised. In connection with these exercises, the Company received $20 thousand of stock option proceeds. The Company had no stock options outstanding as of June 30, 2020.

The Company recognized share-based compensation expense of $1.0 million in the quarter ended June 30, 2020 and a negative share-based compensation expense of $0.1 million for the same period in 2019. The Company recognized share-based compensation expense of $1.8 million in the six months ended June 30, 2020 and $0.5 million for the same period in 2019.

Note 3. Earnings Per Share

The Company computes earnings per share (“EPS”) in accordance with FASB Accounting Standards Codification (“ASC”) Topic 260, Earnings Per Share. The Company has no participating unvested common shares which contain nonforfeitable rights to dividends and applies the treasury stock method in computing basic and diluted earnings per share.

Basic EPS is calculated by dividing net income by the weighted-average number of common shares outstanding during the period.

The diluted EPS calculation includes potential common shares assumed issued under the treasury stock method, which reflects the potential dilution that would occur if any outstanding options were exercised or restricted stock becomes vested.

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2020		2019		2020		2019
	(in thousands, except share and per share amounts)
Basic EPS:
Net income	$	23,948	$	17,890	$	34,748	$	37,290
Basic weighted average common shares		19,280,684		19,245,592		19,273,347		19,237,401
Basic earnings per common share	$	1.24	$	0.93	$	1.80	$	1.94
Diluted EPS:
Net income	$	23,948	$	17,890	$	34,748	$	37,290
Diluted weighted average common shares:
Weighted average common shares		19,280,684		19,245,592		19,273,347		19,237,401
Stock options and restricted stock		55,023		61,361		62,401		78,875
Diluted weighted average common shares		19,335,707		19,306,953		19,335,748		19,316,276
Diluted earnings per common share	$	1.24	$	0.93	$	1.80	$	1.93

Note 4. Investments

The gross unrecognized gains and losses on, amortized cost, allowance for credit losses, carrying amount, and fair value of, those investments classified as held-to-maturity at June 30, 2020 are summarized as follows:

	Amortized Cost		Allowance for Credit Losses			Carrying Amount		Gross Unrecognized Gains		Gross Unrecognized Losses			Fair Value
	(in thousands)
States and political subdivisions	$	469,538	$	(49	)	$	469,489	$	28,907	$	(20	)	$	498,376
Corporate bonds		83,879		(299	)		83,580		3,054		—			86,634
U.S. agency-based mortgage-backed securities		9,227		—			9,227		720		—			9,947
U.S. Treasury securities and obligations of U.S. government agencies		13,710		—			13,710		422		—			14,132
Asset-backed securities		194		(9	)		185		7		—			192
Totals	$	576,548	$	(357	)	$	576,191	$	33,110	$	(20	)	$	609,281

The gross unrealized gains and losses on, and the amortized cost, allowance for credit losses, and fair value of, those investments classified as available-for-sale at June 30, 2020 are summarized as follows:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value		Allowance for Credit Losses
	(in thousands)
States and political subdivisions	$	227,932	$	16,750	$	—		$	244,682	$	—
Corporate bonds		103,713		5,711		(47	)		109,377		—
U.S. agency-based mortgage-backed securities		28,581		575		—			29,156		—
U.S. Treasury securities and obligations of U.S. government agencies		31,891		1,134		—			33,025		—
Totals	$	392,117	$	24,170	$	(47	)	$	416,240	$	—

The gross unrealized gains and losses on, and the cost of equity securities at June 30, 2020 are summarized as follows:

	Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(in thousands)
Equity securities:
Domestic common stock	$	33,227	$	1,425	$	(1,172	)	$	33,480
Total equity securities	$	33,227	$	1,425	$	(1,172	)	$	33,480

The gross unrealized gains and losses on, and the amortized cost and fair value of, those investments classified as held-to-maturity at December 31, 2019 are summarized as follows:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(in thousands)
States and political subdivisions	$	466,270	$	19,570	$	(193	)	$	485,647
Corporate bonds		109,241		1,684		—			110,925
U.S. agency-based mortgage-backed securities		10,967		544		—			11,511
U.S. Treasury securities and obligations of U.S. government agencies		12,723		330		(12	)		13,041
Asset-backed securities		220		—		(1	)		219
Totals	$	599,421	$	22,128	$	(206	)	$	621,343

The gross unrealized gains and losses on, and the amortized cost and fair value of, those investments classified as available-for-sale at December 31, 2019 are summarized as follows:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(in thousands)
States and political subdivisions	$	225,895	$	11,906	$	(26	)	$	237,775
Corporate bonds		130,453		3,326		(1	)		133,778
U.S. agency-based mortgage-backed securities		29,499		64		(96	)		29,467
U.S. Treasury securities and obligations of U.S. government agencies		39,851		317		(42	)		40,126
Totals	$	425,698	$	15,613	$	(165	)	$	441,146

The gross unrealized gains and losses on, and the cost of equity securities at December 31, 2019 are summarized as follows:

	Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
	(in thousands)
Equity securities:
Domestic common stock	$	24,457	$	3,446	$	—	$	27,903
Total equity securities	$	24,457	$	3,446	$	—	$	27,903

A summary of the carrying amounts and fair value of investments in fixed maturity securities, classified as held-to-maturity, by contractual maturity, is as follows:

	June 30, 2020				December 31, 2019
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
	(in thousands)
Maturity:
Within one year	$	59,898	$	60,504	$	49,967	$	50,348
After one year through five years		195,398		204,082		198,025		202,109
After five years through ten years		80,484		84,789		110,460		113,877
After ten years		230,999		249,767		229,782		243,279
U.S. agency-based mortgage-backed securities		9,227		9,947		10,967		11,511
Asset-backed securities		185		192		220		219
Totals	$	576,191	$	609,281	$	599,421	$	621,343

A summary of the amortized cost and fair value of investments in fixed maturity securities, classified as available-for-sale, by contractual maturity, is as follows:

	June 30, 2020				December 31, 2019
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
	(in thousands)
Maturity:
Within one year	$	65,386	$	66,197	$	27,160	$	27,194
After one year through five years		89,127		93,818		144,142		146,469
After five years through ten years		45,235		49,460		47,175		49,419
After ten years		163,788		177,609		177,722		188,597
U.S. agency-based mortgage-backed securities		28,581		29,156		29,499		29,467
Totals	$	392,117	$	416,240	$	425,698	$	441,146

The following table summarizes the fair value and gross unrealized losses on securities classified as available-for-sale, aggregated by major investment category and length of time that the individual securities have been in a continuous unrealized loss position as of June 30, 2020:

	Less Than 12 Months				12 Months or Greater				Total
	Fair Value of Investments with Unrealized Losses		Gross Unrealized Losses		Fair Value of Investments with Unrealized Losses		Gross Unrealized Losses		Fair Value of Investments with Unrealized Losses		Gross Unrealized Losses
	(in thousands)
June 30, 2020
Available-for-Sale
Fixed maturity securities:
Corporate bonds		3,506		47		—		—		3,506		47
Total available-for-sale securities	$	3,506	$	47	$	—	$	—	$	3,506	$	47

At June 30, 2020, we held 2 individual fixed maturity securities classified as available-for-sale that were in an unrealized loss position, of which none were in a continuous unrealized loss position for longer than 12 months.

The following table summarizes the fair value and gross unrealized losses on securities, aggregated by major investment category and length of time that the individual securities have been in a continuous unrealized loss position as of December 31, 2019:

	Less Than 12 Months				12 Months or Greater				Total
	Fair Value of Investments with Unrealized Losses		Gross Unrealized Losses		Fair Value of Investments with Unrealized Losses		Gross Unrealized Losses		Fair Value of Investments with Unrealized Losses		Gross Unrealized Losses
	(in thousands)
December 31, 2019
Held-to-Maturity
Fixed maturity securities:
States and political subdivisions	$	21,074	$	193	$	—	$	—	$	21,074	$	193
U.S. Treasury securities and obligations of U.S. government agencies		—		—		3,243		12		3,243		12
Asset-backed securities		—		—		68		1		68		1
Total held-to-maturity securities		21,074		193		3,311		13		24,385		206
Available-for-Sale
Fixed maturity securities:
States and political subdivisions	$	4,140	$	26	$	—	$	—	$	4,140	$	26
Corporate bonds		6,426		1		—		—		6,426		1
U.S. agency-based mortgage-backed securities		13,007		95		1,152		1		14,159		96
U.S. Treasury securities and obligations of U.S. government agencies		—		—		17,068		42		17,068		42
Total available-for-sale securities		23,573		122		18,220		43		41,793		165
Total	$	44,647	$	315	$	21,531	$	56	$	66,178	$	371

The following table illustrates the changes in the allowance for credit losses by major security type of the investments classified as held-to-maturity for the quarter ended June 30, 2020.

	States and Political Subdivisions			Corporate Bonds		U.S. Agency-Based Mortgage-Backed Securities		U.S. Treasury Securities and Obligations of U.S. Government Agencies		Asset-Backed Securities			Totals
	(in thousands)
Balance at March 31, 2020	$	50		$	215	$	—	$	—	$	10		$	275
Provision for credit loss expense (benefit)		(1	)		84		—		—		(1	)		82
Allowance for securities purchased with credit deterioration		—			—		—		—		—			—
Securities charged off		—			—		—		—		—			—
Recoveries		—			—		—		—		—			—
Balance at June 30, 2020	$	49		$	299	$	—	$	—	$	9		$	357

The following table illustrates the changes in the allowance for credit losses by major security type of the investments classified as held-to-maturity for the six months ended June 30, 2020.

	States and Political Subdivisions		Corporate Bonds		U.S. Agency-Based Mortgage-Backed Securities		U.S. Treasury Securities and Obligations of U.S. Government Agencies		Asset-Backed Securities			Totals
	(in thousands)
Balance at January 1, 2020	$	45	$	245	$	—	$	—	$	11		$	301
Provision for credit loss expense (benefit)		4		54		—		—		(2	)		56
Allowance for securities purchased with credit deterioration		—		—		—		—		—			—
Securities charged off		—		—		—		—		—			—
Recoveries		—		—		—		—		—			—
Balance at June 30, 2020	$	49	$	299	$	—	$	—	$	9		$	357

The Company has established an allowance for credit losses on 390 held-to-maturity securities totaling $0.4 million. The majority of those securities were corporate bonds and states and political subdivisions at 32 and 355, respectively.

The Company has no allowance for credit losses on investments classified as available-for-sale for the period ended June 30, 2020.

The credit rating used for held-to-maturity fixed income securities is the rating for each security as published by Moody’s, S&P, and Fitch to determine the probability of default. If there are two ratings, the lower rating is used. If there are three ratings, the median rating is used. If there is one rating, that rating is used. For corporate fixed income securities the probability of default (given a rating) comes from Moody’s annual study of corporate bond defaults published each February. The maximum maturity using the default rate is 20 years (any maturity greater than 20 years will use the 20-year rate). For municipal fixed income securities the probability of default (given a rating) comes from Moody’s annual study of municipal bond defaults published each July/August.

The calculation of the credit loss allowance takes the amortized cost of the fixed income security and assumes default and recovery based on the average recovery rates from the Moody’s default studies. The amortized cost of the security, minus the amount recovered, is the estimated full amount the Company could lose in a default scenario. Then this amount is multiplied by the probability of default to determine the allowance for credit loss. The lower the security is rated, the higher likelihood of default, and therefore a higher allowance for credit loss. The longer to the maturity date of a security, the higher the default risk.

The table below presents the amortized cost of held-to-maturity securities aggregated by credit quality indicator as of June 30, 2020.

	States and Political Subdivisions		Corporate Bonds		U.S. Agency-Based Mortgage-Backed Securities		U.S. Treasury Securities and Obligations of U.S. Government Agencies		Asset-Backed Securities		Totals
	Amortized cost
	(in thousands)
AAA/AA/A ratings	$	467,104	$	31,595	$	9,227	$	13,710	$	135	$	521,771
Baa/BBB ratings		2,434		52,284		—		—		18		54,736
B ratings		—		—		—		—		41		41
Total	$	469,538	$	83,879	$	9,227	$	13,710	$	194	$	576,548

Net realized gains in the quarter ended June 30, 2020 were $0.2 million resulting from the call of fixed maturity securities. Net realized losses in the quarter ended June 30, 2019 were $0.1 million, also from the call of fixed maturity securities.

Net realized gains in the six months ended June 30, 2020 were $1.2 million resulting primarily from the sale of fixed maturity securities classified as available-for-sale. Net realized losses in the six months ended June 30, 2019 were immaterial.

During the second quarter of 2020, we recognized through income $5.6 million of net unrealized gains on equity securities held as of June 30, 2020. During the second quarter of 2019, we recognized through income $0.6 million of net unrealized gains on equity securities held as of June 30, 2019.

During the six months ended June 30, 2020, we recognized through income $3.2 million of net unrealized losses on equity securities held as of June 30, 2020. During the six months ended June 30, 2019, we recognized through income $2.8 million of net unrealized gains on equity securities held as of June 30, 2019.

Investment income is recognized as it is earned. The discount or premium on fixed maturity securities is amortized using the “constant yield” method. Anticipated prepayments, where applicable, are considered when determining the amortization of premiums or discounts. Realized investment gains and losses are determined using the specific identification method.

Note 5. Income Taxes

In accordance with FASB ASC Topic 740, “Income Taxes,” we provide for the recognition and measurement of deferred income tax benefits based on the likelihood of their realization in future years. The Company had a valuation allowance of $1.9 million and $0.2 million against its deferred income tax benefits as of June 30, 2020 and 2019, respectively.

The Company recognizes interest and penalties related to uncertain tax positions in income tax expense. There were no uncertain tax positions for the periods ended June 30, 2020 and 2019.

Tax years 2017 through 2020 are subject to examination by the federal and state taxing authorities.

Note 6. Loss Reserves

We record reserves for estimated losses under insurance policies that we write and for loss adjustment expenses related to the investigation and settlement of policy claims. Our reserves for loss and loss adjustment expenses represent the estimated cost of all reported and unreported loss and loss adjustment expenses incurred and unpaid as of a given point in time. The reserves for loss and loss adjustment expenses are estimated using individual case-basis valuations, statistical analyses and estimates based upon experience for unreported claims and their associated loss and loss adjustment expenses. Such estimates may be more or less than the amounts ultimately paid when the claims are settled. The estimates are subject to the effects of trends in loss severity and frequency. Although considerable variability is inherent in these estimates, management believes that the reserves for loss and loss adjustment expenses are adequate. The estimates are continually reviewed internally and periodically evaluated with our independent actuary. Adjustments are made as experience develops and new information becomes known. Any such adjustments are included in income from current operations. See Note 9 to our consolidated financial statements included in our Annual Report on Form 10-K for the year ended December 31, 2019 for additional information regarding the Company’s loss and loss adjustment expense development.

The following table provides the Company’s liability for unpaid loss and loss adjustment expenses, net of related amounts recoverable from reinsurers, for the six months ended June 30, 2020 and 2019:

	Six Months Ended June 30,
	2020			2019
	(in thousands)
Balance, beginning of period	$	772,887		$	798,409
Less amounts recoverable from reinsurers on unpaid loss and loss adjustment expenses		95,343			107,216
Net balance, beginning of period		677,544			691,193
Add incurred related to:
Current accident year		112,342			121,727
Prior accident years		(31,165	)		(23,245	)
Total incurred		81,177			98,482
Less paid related to:
Current accident year		13,629			15,926
Prior accident years		78,303			77,362
Total paid		91,932			93,288
Net balance, end of period		666,789			696,387
Add amounts recoverable from reinsurers on unpaid loss and loss adjustment expenses		101,978			98,659
Balance, end of period	$	768,767		$	795,046

The foregoing reconciliation reflects favorable development of the net reserves at June 30, 2020 and June 30, 2019. The favorable development reduced loss and loss adjustment expenses incurred by $31.2 million and $23.2 million in 2020 and 2019, respectively. The revisions to the Company’s reserves reflect new information gained by claims adjusters in the normal course of adjusting claims and is reflected in the financial statements when the information becomes available. It is typical for more serious claims to take several years or longer to settle and the Company continually revises estimates as more information about claimants’ medical conditions and potential disability becomes known and the claims get closer to being settled. Multiple factors can cause loss development both unfavorable and favorable. The favorable loss development we experienced across accident years was largely due to favorable case reserve development from closed claims and claims where the worker had reached maximum medical improvement.

The table below presents the change in the allowance for credit losses on amounts recoverable from reinsurers for the three and six months ended June 30, 2020.

	Three Months Ended June 30,			Six Months Ended June 30,
	2020			2020
	(in thousands)
Balance, beginning of period	$	449		$	444
Provision for credit loss benefit		(61	)		(56	)
Balance, end of period	$	388		$	388

Note 7. Comprehensive Income and Accumulated Other Comprehensive Income

Comprehensive income was $29.4 million for the three months ended June 30, 2020, compared to $23.1 million for the three months ended June 30, 2019. Comprehensive income was $41.7 million for the six months ended June 30, 2020, compared to $48.3 million for the same period in 2019. The difference between net income as reported and comprehensive income was due primarily to changes in unrealized gains and losses, net of tax on available-for-sale debt securities.

Comprehensive income includes net income plus unrealized gains (losses) on our available-for-sale investment securities, net of tax. In reporting comprehensive income on a net basis in the statements of comprehensive income, we used a 21 percent tax rate in 2020 and 2019 The following table illustrates the changes in the balance of each component of accumulated other comprehensive income for each period presented in the interim financial statements.

	Three Months Ended June 30,						Six Months Ended June 30,
	2020			2019			2020			2019
	(in thousands)
Balance, beginning of period	$	13,695		$	4,962		$	12,211		$	(832	)
Other comprehensive income before reclassification		5,588			5,001			7,373			10,889
Amounts reclassified from accumulated other comprehensive income		(105	)		(21	)		(406	)		83
Change in deferred tax valuation allowance		—			198			—			—
Net current period other comprehensive income		5,483			5,178			6,967			10,972
Balance, end of period	$	19,178		$	10,140		$	19,178		$	10,140

The sale or other-than-temporary impairment of an available-for-sale security results in amounts being reclassified from accumulated other comprehensive income to current period net income. The effects of reclassifications out of accumulated other comprehensive income by the respective line items of net income are presented in the following table.

Component of Accumulated Other	Three Months Ended						Six Months Ended						Affected line item in the
Comprehensive Income	June 30,						June 30,						statement of income
	2020			2019			2020			2019
	(in thousands)
Unrealized gains (losses) on available-for-sale securities	$	133		$	26		$	514		$	(105	)	Net realized gains (losses) on investments
		133			26			514			(105	)	Income before income taxes
		(28	)		(5	)		(108	)		22		Income tax expense
	$	105		$	21		$	406		$	(83	)	Net income

Note 8. Fair Value Measurements

The Company carries available-for-sale securities at fair value in our consolidated financial statements and determines fair value measurements and disclosure in accordance with FASB ASC Topic 820, Fair Value Measurements and Disclosures.

The Company determines the fair values of its financial instruments based on the fair value hierarchy established in ASC Topic 820, which requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. The standard defines fair value, describes three levels of inputs that may be used to measure fair value, and expands disclosures about fair value measurements.

Fair value is defined in ASC Topic 820 as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. Fair value is the price to sell an asset or transfer a liability and, therefore, represents an exit price, not an entry price. Fair value is the exit price in the principal market (or, if lacking a principal market, the most advantageous market) in which the reporting entity would transact. Fair value is a market-based measurement, not an entity-specific measurement, and, as such, is determined based on the assumptions that market participants would use in pricing the asset or liability. The exit price objective of a fair value measurement applies regardless of the reporting entity’s intent and/or ability to sell the asset or transfer the liability at the measurement date.

ASC Topic 820 requires the use of valuation techniques that are consistent with the market approach, the income approach and/or the cost approach. The market approach uses prices and other relevant information generated by market transactions involving identical or comparable assets and liabilities. The income approach uses valuation techniques to convert future amounts, such as cash flows or earnings, to a single present value amount on a discounted basis. The cost approach is based on the amount that currently would be required to replace the service capacity of an asset, also known as current replacement cost. Valuation techniques used to measure fair value are to be consistently applied.

In ASC Topic 820, inputs refer broadly to the assumptions that market participants would use in pricing the asset or liability, including assumptions about risk, for example, the risk inherent in a particular valuation technique used to measure fair value (such as a pricing model) and/or the risk inherent in the inputs to the valuation technique. Inputs may be observable or unobservable:

•

Observable inputs are inputs that reflect the assumptions market participants would use in pricing the asset or liability developed based on market data obtained from sources independent of the reporting entity.

•

Unobservable inputs are inputs that reflect the reporting entity’s own assumptions about the assumptions market participants would use in pricing the asset or liability developed based on the best information available in the circumstances.

Valuation techniques used to measure fair value are intended to maximize the use of observable inputs and minimize the use of unobservable inputs. ASC Topic 820 establishes a fair value hierarchy that prioritizes the use of inputs used in valuation techniques into the following three levels:

•

Level 1 inputs are quoted prices (unadjusted) in active markets for identical assets or liabilities that the reporting entity has the ability to access at the measurement date.

•

Level 2 inputs are inputs other than quoted prices included within Level 1 that are observable for the asset or liability, either directly or indirectly. Level 2 inputs include quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are not active, inputs other than quoted prices that are observable for the asset or liability, or inputs that are derived principally from or corroborated by observable market data.

•

Level 3 inputs are unobservable inputs for the asset or liability. Unobservable inputs are to be used to measure fair value to the extent that observable inputs are not available, thereby allowing for situations in which there is little, if any, market activity for the asset or liability at the measurement date.

In general, fair value is based upon quoted market prices, where available. If such quoted market prices are not available, fair value is based upon internally developed models that primarily use, as inputs, observable market-based parameters.

The fair values of the Company’s investments are based upon prices provided by an independent pricing service. The Company has reviewed these prices for reasonableness and has not adjusted any prices received from the independent provider. Securities reported at fair value utilizing Level 1 inputs represent assets whose fair value is determined based upon observable unadjusted quoted market prices for identical assets in active markets. Level 2 securities represent assets whose fair value is determined using observable market information such as previous day trade prices, quotes from less active markets or quoted prices of securities with similar characteristics. There were no transfers between Level 1 and Level 2 during the six months ended June 30, 2020.

At June 30, 2020, assets measured at fair value on a recurring basis are summarized below:

	June 30, 2020
	Level 1 Inputs		Level 2 Inputs		Level 3 Inputs		Total Fair Value
	(in thousands)
Financial instruments carried at fair value, classified as a part of:
Securities available-for-sale—fixed maturity:
States and political subdivisions	$	—	$	244,682	$	—	$	244,682
Corporate bonds		—		109,377		—		109,377
U.S. agency-based mortgage-backed securities		—		29,156		—		29,156
U.S. Treasury securities		33,025		—		—		33,025
Total securities available-for-sale—fixed maturity		33,025		383,215		—		416,240
Equity securities:
Domestic common stock		33,480		—		—		33,480
Total	$	66,505	$	383,215	$	—	$	449,720

At June 30, 2020, assets measured at amortized cost net of allowance for credit losses are summarized below:

	June 30, 2020
	Level 1 Inputs		Level 2 Inputs		Level 3 Inputs		Total Fair Value
	(in thousands)
Securities held-to-maturity—fixed maturity:
States and political subdivisions	$	—	$	498,376	$	—	$	498,376
Corporate bonds		—		86,634		—		86,634
U.S. agency-based mortgage-backed securities		—		9,947		—		9,947
U.S. Treasury securities		9,019		—		—		9,019
Obligations of U.S. government agencies		—		5,113		—		5,113
Asset-backed securities		—		192		—		192
Total held-to-maturity	$	9,019	$	600,262	$	—	$	609,281

At December 31, 2019, assets measured at fair value on a recurring basis are summarized below:

	December 31, 2019
	Level 1 Inputs		Level 2 Inputs		Level 3 Inputs		Total Fair Value
	(in thousands)
Financial instruments carried at fair value, classified as a part of:
Securities available-for-sale—fixed maturity:
States and political subdivisions	$	—	$	237,775	$	—	$	237,775
Corporate bonds		—		133,778		—		133,778
U.S. agency-based mortgage-backed securities		—		29,467		—		29,467
U.S. Treasury securities		40,126		—		—		40,126
Total securities available-for-sale—fixed maturity	$	40,126	$	401,020	$	—	$	441,146
Equity securities:
Domestic common stock		27,903		—		—		27,903
Total	$	68,029	$	401,020	$	—	$	469,049

At December 31, 2019, assets measured at amortized cost are summarized below:

	December 31, 2019
	Level 1 Inputs		Level 2 Inputs		Level 3 Inputs		Total Fair Value
	(in thousands)
Securities held-to-maturity—fixed maturity:
States and political subdivisions	$	—	$	485,647	$	—	$	485,647
Corporate bonds		—		110,925		—		110,925
U.S. agency-based mortgage-backed securities		—		11,511		—		11,511
U.S. Treasury securities		7,873		—		—		7,873
Obligations of U.S. government agencies		—		5,168		—		5,168
Asset-backed securities		—		219		—		219
Total held-to-maturity	$	7,873	$	613,470	$	—	$	621,343

The Company determines fair value amounts for financial instruments using available third-party market information. When such information is not available, the Company determines the fair value amounts using appropriate valuation methodologies. Nonfinancial instruments such as real estate, property and equipment, deferred policy acquisition costs, deferred income taxes and loss and loss adjustment expense reserves are excluded from the fair value disclosure.

Cash and Cash Equivalents —The carrying amounts reported in the accompanying consolidated balance sheets for these financial instruments approximate their fair values, which are characterized as Level 1 assets.

Investments —The fair values for fixed maturity and equity securities are based on prices obtained from an independent pricing service. Equity and treasury securities are characterized as Level 1 assets, as their fair values are based on quoted prices in active markets. Fixed maturity securities, other than treasury securities, are characterized as Level 2 assets, as their fair values are determined using observable market inputs.

Short Term Investments —The carrying amounts reported in the accompanying consolidated balance sheets for these financial instruments approximate their fair values. These securities are characterized as Level 2 assets in the fair value hierarchy.

The following table summarizes the carrying amounts and corresponding fair values for financial instruments:

	As of June 30, 2020				As of December 31, 2019
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
	(in thousands)
Assets:
Fixed maturity securities—held-to-maturity	$	576,191	$	609,281	$	599,421	$	621,343
Fixed maturity securities—available-for-sale		416,240		416,240		441,146		441,146
Equity securities		33,480		33,480		27,903		27,903
Short-term investments		72,849		72,849		56,548		56,548
Cash and cash equivalents		110,281		110,281		43,813		43,813

Note 9. Treasury Stock

The Company’s Board of Directors initiated a share repurchase program in February 2010. In October 2016, the Board reauthorized this program with a limit of $25.0 million with no expiration date. There were no shares repurchased under this program in the six months ended June 30, 2020 and 2019.

Note 10. Subsequent Events

On July 27, 2020, the Company’s Board of Directors declared a quarterly cash dividend of $0.27 per share payable on September 25, 2020 to shareholders of record as of September 11, 2020. The Board considers the payment of a regular cash dividend each calendar quarter.

Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations.

The following discussion should be read in conjunction with the accompanying unaudited consolidated financial statements and the related notes included in Item 1 of Part I of this Quarterly Report on Form 10-Q, together with “Management’s Discussion and Analysis of Financial Condition and Results of Operations” included in our Annual Report on Form 10-K for the year ended December 31, 2019.

We begin our discussion with an overview of our Company to give you an understanding of our business and the markets we serve. We then discuss our critical accounting policies. This is followed with a discussion of our results of operations for the three and six months ended June 30, 2020 and 2019. This discussion includes an analysis of certain significant period-to-period variances in our consolidated statements of operations. Our cash flows and financial condition are discussed under the caption “Liquidity and Capital Resources.”

Business Overview

AMERISAFE is a holding company that markets and underwrites workers’ compensation insurance through its insurance subsidiaries. Workers’ compensation insurance covers statutorily prescribed benefits that employers are obligated to provide to their employees who are injured in the course and scope of their employment. Our business strategy is focused on providing this coverage to small to mid-sized employers engaged in hazardous industries, principally construction, trucking, logging and lumber, manufacturing, agriculture, maritime, and oil and gas. Employers engaged in hazardous industries pay substantially higher than average rates for workers’ compensation insurance compared to employers in other industries, as measured per payroll dollar. The higher premium rates are due to the nature of the work performed and the inherent workplace danger of our target employers. Hazardous industry employers also tend to have less frequent but more severe claims as compared to employers in other industries due to the nature of their businesses. We provide proactive safety reviews of employers’ workplaces. These safety reviews are a vital component of our underwriting process and also promote safer workplaces. We utilize intensive claims management practices that we believe permit us to reduce the overall cost of our claims. In addition, our audit services ensure that our policyholders pay the appropriate premiums required under the terms of their policies and enable us to monitor payroll patterns that cause underwriting, safety or fraud concerns. We believe that the higher premiums typically paid by our policyholders, together with our disciplined underwriting and safety, claims and audit services, provide us with the opportunity to earn attractive returns for our shareholders.

We actively market our insurance in 27 states through independent agencies, as well as through our wholly owned insurance agency subsidiary. We are also licensed in an additional 20 states, the District of Columbia and the U.S. Virgin Islands.

Coronavirus (COVID-19) Update

During the second quarter, AMERISAFE began gradually returning employees to our offices, with protocols in place to protect the health and safety of our employees. Many employees also continue to work from home, assisting agents and policyholders with their workers compensation insurance. AMERISAFE has also begun returning our Safety and Claims professionals to the field, where these professionals inspect job sites and meet with injured workers, all following health and safety guidelines. Additionally, the Company continues to work with customers utilizing virtual meeting tools along with access via phone, email and through our website. At this point and time, the Company is conducting business with no disruption to operations.

AMERISAFE policyholders are small to mid-sized employers engaged in hazardous industries, principally construction (44%), trucking (18%), logging and lumber (8%), manufacturing (5%), agriculture (5%), maritime (2%), and oil and gas (2%) with the remainder (16%) in a wide variety of hazardous industries (based on 2019 premiums).

There continues to be uncertainty about the impact to our policyholders from COVID-19 and our customers’ business operations, including payrolls, which is a primary source of premium revenue for AMERISAFE. In most industries and states, business continues, and in some cases the activities of our policyholders have been restricted due to the pandemic and associated recession.

Premiums in future periods will depend on the ongoing economic impact of COVID-19. Investment income may decline, and the market value of investment securities may decrease, depending on the ongoing economic impact.

Additional Risk Factor

The impact of COVID-19 could materially affect the business operations of our insurance subsidiaries and may adversely affect our revenues, results of operations, and cash flows.

Beginning in March 2020, the global pandemic began to impact the global economy creating disruptions in economic activity impacting our business and results of operations, as well as those of our policy holders. We cannot predict the direct or indirect ultimate impact that the economic and financial disruptions related to the COVID-19 pandemic will have on our business. We have identified ongoing risks related to the pandemic which include a decline in demand for insurance products, a reduction in hours worked by our policyholders, an inability to collect premium balances due, potential declines in the market value of our investments and the decline in interest rates on new investments. Additional risks include legislative, judicial and regulatory actions suspending cancellation of policies for non-payment of premiums, extension of grace periods for payment of premium balances, expansion of coverage to pay for losses not contemplated by our insurance policies, and an increase in frequency and severity related to COVID-19 compensable claims.

Critical Accounting Policies

Understanding our accounting policies is key to understanding our financial statements. Management considers some of these policies to be very important to the presentation of our financial results because they require us to make significant estimates and assumptions. These estimates and assumptions affect the reported amounts of assets, liabilities, revenues and expenses and related disclosures. Some of the estimates result from judgments that can be subjective and complex and, consequently, actual results in future periods might differ from these estimates.

Management believes that the most critical accounting policies relate to the reporting of reserves for loss and loss adjustment expenses, including losses that have occurred but have not been reported prior to the reporting date, amounts recoverable from reinsurers, premiums receivable, assessments, deferred policy acquisition costs, deferred income taxes, the impairment of investment securities and share-based compensation. These critical accounting policies are more fully described in Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations” of our Annual Report on Form 10-K for the year ended December 31, 2019.

Results of Operations

The following table summarizes our consolidated financial results for the three and six months ended June 30, 2020 and 2019.

	Three Months Ended June 30,						Six Months Ended June 30,
	2020			2019			2020			2019
	(dollars in thousands, except per share data)
	(unaudited)
Gross premiums written	$	80,289		$	87,018		$	167,360		$	180,125
Net premiums earned		75,964			82,951			154,954			167,899
Net investment income		7,324			8,169			15,073			16,184
Total revenues		89,082			91,753			168,251			186,943
Total expenses		59,691			69,584			125,619			140,965
Net income		23,948			17,890			34,748			37,290
Diluted earnings per common share	$	1.24		$	0.93		$	1.80		$	1.93
Other Key Measures
Net combined ratio (1)		78.5	%		83.9	%		81.1	%		84.0	%
Return on average equity (2)		21.3	%		16.3	%		15.6	%		17.4	%
Book value per share (3)	$	23.94		$	23.29		$	23.94		$	23.29

(1)	The net combined ratio is calculated by dividing the sum of loss and loss adjustment expenses incurred, underwriting and certain other operating costs, commissions, salaries and benefits, and policyholder dividends by net premiums earned in the current period.

(2)	Return on average equity is calculated by dividing the annualized net income by the average shareholders’ equity for the applicable period.

(3)	Book value per share is calculated by dividing shareholders’ equity by total outstanding shares, as of the end of the period.

Consolidated Results of Operations for Three Months Ended June 30, 2020 Compared to June 30, 2019

Gross Premiums Written. Gross premiums written for the quarter ended June 30, 2020 were $80.3 million, compared to $87.0 million for the same period in 2019, a decrease of 7.7%. The decrease was attributable to a $5.2 million decrease in annual premiums on voluntary policies written during the period and a $1.3 million decrease in premiums resulting from payroll audits and related premium adjustments for policies written in previous quarters. Premiums resulting from payroll audits and related premium adjustments in the current quarter included a $1.4 million reduction in anticipated future audit premiums. The effective loss cost multiplier, or ELCM, for our voluntary business was 1.58 for the quarter ended June 30, 2020 compared to 1.61 for the same period in 2019.

Net Premiums Written. Net premiums written for the quarter ended June 30, 2020 were $77.6 million, compared to $84.8 million for the same period in 2019, a decrease of 8.5%. The decrease was primarily attributable to the decrease in gross premiums written. As a percentage of gross premiums earned, ceded premiums were 3.4% for the second quarter of 2020 compared to 2.6% for the second quarter of 2019. The increase in ceded premiums as a percentage of gross premiums earned is due to increased pricing for our 2020 reinsurance program. For additional information, see Item 1, “Business—Reinsurance” in our Annual Report on Form 10-K for the year ended December 31, 2019.

Net Premiums Earned. Net premiums earned for the second quarter of 2020 were $76.0 million, compared to $83.0 million for the same period in 2019, a decrease of 8.4%. The decrease was primarily attributable to the decrease in net premiums written during the period.

Net Investment Income. Net investment income for the quarter ended June 30, 2020 was $7.3 million, compared to $8.2 million for the same period in 2019, a decrease of 10.3%. The decrease was due to lower investment yields on fixed income securities and cash balances. Average invested assets, including cash and cash equivalents, were $1.2 billion in the quarters ended June 30, 2020 and 2019. The pre-tax investment yield on our investment portfolio was 2.5% per annum during the quarter ended June 30, 2020 compared to 2.7% per annum during the same period in 2019. The tax-equivalent yield on our investment portfolio was 2.9% per annum for the quarter ended June 30, 2020 and 3.1% for the same period in 2019. The tax-equivalent yield is calculated using the effective interest rate and the appropriate marginal tax rate.

Net Realized Gains (Losses) on Investments. Net realized gains on investments for the three months ended June 30, 2020 totaled $0.2 million compared to immaterial net realized losses for the same period in 2019. Net realized gains in the second quarter of 2020 were attributable to the call of fixed maturity securities.

Net Unrealized Gains (Losses) on Equity Securities. Net unrealized gains on equity securities for the three months ended June 30, 2020 were $5.6 million compared to net unrealized gains of $0.6 million for the same period in 2019.

Loss and Loss Adjustment Expenses Incurred. Loss and loss adjustment expenses (“LAE”) incurred totaled $37.5 million for the three months ended June 30, 2020, compared to $48.9 million for the same period in 2019, a decrease of $11.3 million, or 23.2%. The current accident year loss and LAE incurred were $55.1 million, or 72.5% of net premiums earned, compared to $60.1 million, or 72.5% of net premiums earned for the same period in 2019. We recorded favorable prior accident year development of $17.5 million in the second quarter of 2020, compared to favorable prior accident year development of $11.3 million in the same period of 2019, as further discussed below in “Prior Year Development.” Our net loss ratio was 49.4% in the second quarter of 2020, compared to 58.9% for the same period of 2019.

Underwriting and Certain Other Operating Costs, Commissions and Salaries and Benefits. Underwriting and certain other operating costs, commissions and salaries and benefits for the quarter ended June 30, 2020 were $21.1 million, compared to $19.7 million for the same period in 2019, an increase of 7.2%. This increase was primarily due to an increase in compensation expense of $1.5 million due to a $1.0 million lower estimate of variable share price based incentive compensation recorded in last year’s second quarter. In addition, there was a $0.7 million increase in insurance related assessments due to a refund of an assessment recorded in last year’s second quarter and a $0.4 million increase in accounts receivable write-offs. Offsetting these increases was a $0.4 million decrease in commission expense. Our expense ratio was 27.8% in the second quarter of 2020 compared to 23.8% in the second quarter of 2019 partially as a result of lower earned premium and partially due to slightly higher expenses.

Income Tax Expense. Income tax expense for the three months ended June 30, 2020 was $5.4 million, compared to $4.3 million for the same period in 2019. The increase was attributable to an increase in the pre-tax income to $29.4 million in the quarter ended June 30, 2020 from $22.2 million in the same period in 2019. The effective tax rate for the Company decreased to 18.5% in the quarter ended June 30, 2020 from 19.3% in the same period in 2019. The decrease in the effective tax rate is due to a higher proportion of tax-exempt income to underwriting income in 2020 relative to 2019.

Consolidated Results of Operations for Six Months Ended June 30, 2020 Compared to June 30, 2019

Gross Premiums Written. Gross premiums written for the six months ended June 30, 2020 were $167.4 million, compared to $180.1 million for the same period in 2019, a decrease of 7.1%. The decrease was attributable to a $10.2 million decrease in annual premiums on voluntary policies written during the period and a $2.2 million decrease in premiums resulting from payroll audits and related premium adjustments for policies written in previous quarters. Premiums resulting from payroll audits and related premium adjustments in the current year included a $1.9 million reduction in anticipated future audit premiums. The ELCM for our voluntary business was 1.57 for the six months ended June 30, 2020 compared to 1.60 for the same period in 2019.

Net Premiums Written. Net premiums written for the six months ended June 30, 2020 were $161.9 million, compared to $175.5 million for the same period in 2019, a decrease of 7.7%. The decrease was primarily attributable to the decrease in gross premiums written. As a percentage of gross premiums earned, ceded premiums were 3.4% for the first six months of 2020 compared to 2.7% for the same period in 2019. The increase in ceded premiums as a percentage of gross premiums earned is due to increased pricing for our 2020 reinsurance program. For additional information, see Item 1, “Business—Reinsurance” in our Annual Report on Form 10-K for the year ended December 31, 2019.

Net Premiums Earned. Net premiums earned for the six months ended June 30, 2020 were $155.0 million, compared to $167.9 million for the same period in 2019, a decrease of 7.7%. The decrease was primarily attributable to the decrease in net premiums written during the period.

Net Investment Income. Net investment income for the first six months of 2020 was $15.1 million, compared to $16.2 million for the same period in 2019, a decrease of 6.9%. The decrease was due to lower investment yields on fixed income securities and cash balances. Average invested assets, including cash and cash equivalents were $1.2 billion in the six months ended June 30, 2020 and 2019. The pre-tax investment yield on our investment portfolio was 2.5% per annum during the six months ended June 30, 2020 compared to 2.7% per annum for the same period in 2019. The tax-equivalent yield on our investment portfolio was 2.9% per annum for the first six months of 2020 compared to 3.1% in the same period in 2019. The tax-equivalent yield is calculated using the effective interest rate and the appropriate marginal tax rate.

Net Realized Gains (Losses) on Investments. Net realized gains on investments for the six months ended June 30, 2020 were $1.2 million compared to immaterial net realized losses for the same period in 2019. Net realized gains in the first six months of 2020 were attributable to sales and calls of fixed maturity securities classified as available-for-sale.

Net Unrealized Gains (Losses) on Equity Securities. Net unrealized losses on equity securities for the six months ended June 30, 2020 were $3.2 million compared to net unrealized gains of $2.8 million for the same period in 2019.

Loss and Loss Adjustment Expenses Incurred. Loss and LAE incurred totaled $81.2 million for the six months ended June 30, 2020, compared to $98.5 million for the same period in 2019, a decrease of $17.3 million, or 17.6%. The current accident year loss and LAE incurred were $112.3 million, or 72.5% of net premiums earned, compared to $121.7 million, or 72.5% of net premiums earned, for the same period in 2019. We recorded favorable prior accident year development of $31.2 million in the first six months of 2020, compared to favorable prior accident year development of $23.2 million in the same period of 2019, as further discussed below in “Prior Year Development.” Our net loss ratio was 52.4% in the first six months of 2020, compared to 58.7% for the same period of 2019.

Underwriting and Certain Other Operating Costs, Commissions and Salaries and Benefits. Underwriting and certain other operating costs, commissions and salaries and benefits for the six months ended June 30, 2020 were $42.4 million, compared to $40.4 million for the same period in 2019, an increase of 5.0%. This increase was primarily due to an increase in compensation expense of $1.7 million due to a $1.2 million lower estimate of variable share price based incentive compensation costs recorded in the prior year. In addition, there was a $1.2 million increase in insurance related assessments due to favorable lower assessment costs recorded in prior year, and a $0.6 million increase in accounts receivable write-offs. Offsetting these increases were a $0.7 million decrease in commission expense and a $0.5 million decrease in travel and travel related items. Our expense ratio was 27.4% in the first six months of 2020 compared to 24.1% for the same period in 2019 partially as a result of lower earned premium and partially due to slightly higher expenses.

Income Tax Expense. Income tax expense for the six months ended June 30, 2020 was $7.9 million, compared to $8.7 million for the same period in 2019. The decrease was attributable to a decrease in pre-tax income to $42.6 million in the first six months of 2020 from $46.0 million in the first six months of 2019. The effective tax rate for the Company decreased to 18.5% for the six months ended June 30, 2020 from 18.9% for the six months ended June 30, 2019. The decrease in the effective tax rate is due to a higher proportion of tax-exempt income to underwriting income for the six months ended June 30, 2020 compared with the six months ended June 30, 2019.

Liquidity and Capital Resources

Our principal sources of operating funds are premiums, investment income and proceeds from sales and maturities of investments. Our primary uses of operating funds include payments of claims and operating expenses. Currently, we pay claims using cash flow from operations and invest the remaining funds.

Net cash provided by operating activities was $42.2 million for the six months ended June 30, 2020, which represented a $2.6 million increase from $39.6 million in net cash provided by operating activities for the six months ended June 30, 2019. This increase in operating cash flow was due to an $11.3 million decrease in federal taxes paid, a $7.9 million decrease in amounts held by others and a $3.0 million decrease in underwriting expenses paid. Offsetting these amounts were an $18.5 million decrease in premium cash receipts and a $1.1 million decrease in investment income.

Net cash provided by investing activities was $34.8 million for the six months ended June 30, 2020, compared to net cash used in investment activities of $18.9 million for the same period in 2019. Cash provided by sales and maturities of investments totaled $180.9 million for the six months ended June 30, 2020, compared to $158.0 million for the same period in 2019. A total of $145.5 million in cash was used to purchase investments in the six months ended June 30, 2020, compared to $176.8 million in purchases for the same period in 2019.

Net cash used in financing activities in the six months ended June 30, 2020 was $10.5 million compared to net cash used in financing activities of $9.8 million for the same period in 2019. In the six months ended June 30, 2020, $10.5 million of cash was used for dividends paid to shareholders compared to $9.8 million in the same period of 2019.

Investment Portfolio

Our investment portfolio, including cash and cash equivalents, totaled $1.2 billion at June 30, 2020 and December 31, 2019. Purchases of fixed maturity securities are classified as available-for-sale or held-to-maturity at the time of purchase based on the individual security. The Company has the ability and positive intent to hold certain investments until maturity. Therefore, fixed maturity securities classified as held-to-maturity, as defined by FASB ASC Topic 320, Investments-Debt and Equity Securities, are recorded at amortized cost net of allowance for credit losses. Our equity securities and fixed maturity securities classified as available-for-sale were reported at fair value.

The composition of our investment portfolio, including cash and cash equivalents, as of June 30, 2020, is shown in the following table:

	Carrying Amount		Percentage of Portfolio
	(in thousands)
Fixed maturity securities—held-to-maturity:
States and political subdivisions	$	469,489		38.8	%
Corporate bonds		83,580		6.9	%
U.S. agency-based mortgage-backed securities		9,227		0.8	%
U.S. Treasury securities and obligations of U.S. government agencies		13,710		1.2	%
Asset-backed securities		185		—
Total fixed maturity securities—held-to-maturity		576,191		47.7	%
Fixed maturity securities—available-for-sale:
States and political subdivisions		244,682		20.2	%
Corporate bonds		109,377		9.1	%
U.S. agency-based mortgage-backed securities		29,156		2.4	%
U.S. Treasury securities and obligations of U.S. government agencies		33,025		2.7	%
Total fixed maturity securities—available-for-sale		416,240		34.4	%
Equity securities		33,480		2.8	%
Short-term investments		72,849		6.0	%
Cash and cash equivalents		110,281		9.1	%
Total investments, including cash and cash equivalents	$	1,209,041		100.0	%

Our debt securities classified as available-for-sale are “marked to market” as of the end of each calendar quarter. As of that date, unrealized gains and losses that are not credit related are recorded to Accumulated Other Comprehensive Income (Loss). Any available-for-sale credit related losses would be recognized as a credit loss allowance on the balance sheet with a corresponding adjustment to earnings, limited by the amount that the fair value is less than the amortized cost basis. Both the credit loss allowance and adjustment to net income can be reversed if conditions change.

For our debt securities classified as held-to-maturity, non-credit related unrecognized gains and losses are not recorded in the financial statements until realized. Effective upon the adoption of CECL, management is required to estimate held-to-maturity expected credit related losses and recognize a credit loss allowance on the balance sheet with a corresponding adjustment to earnings. Any adjustment to the estimated expected credit related losses are recognized through earnings and adjustment to the credit loss allowance.

Prior Year Development

The Company recorded favorable prior accident year development of $17.5 million in the three months ended June 30, 2020. The table below sets forth the favorable development for the three and six months ended June 30, 2020 and 2019 for accident years 2015 through 2019 and, collectively, for all accident years prior to 2015.

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
	(in millions)
Accident Year
2019	$	—	$	—	$	—	$	—
2018		5.9		—		5.9		—
2017		2.8		1.3		5.7		1.3
2016		2.8		3.3		5.9		9.3
2015		3.7		2.9		6.7		5.0
Prior to 2015		2.3		3.8		7.0		7.6
Total net development	$	17.5	$	11.3	$	31.2	$	23.2

The table below sets forth the number of open claims as of June 30, 2020 and 2019, and the number of claims reported and closed during the three and six months then ended.

	Three Months Ended June 30,						Six Months Ended June 30,
	2020			2019			2020			2019
Open claims at beginning of period		4,910			4,963			5,053			5,190
Claims reported		1,004			1,339			2,106			2,560
Claims closed		(1,293	)		(1,324	)		(2,538	)		(2,772	)
Open claims at end of period		4,621			4,978			4,621			4,978

The number of open claims at June 30, 2020 decreased by 357 claims as compared to the number of open claims at June 30, 2019. At June 30, 2020, our incurred amounts for certain accident years, particularly 2015 through 2018, developed more favorably than management previously expected. The revisions to the Company’s reserves reflect new information gained by claims adjusters in the normal course of adjusting claims and is reflected in the financial statements when the information becomes available. It is typical for more serious claims to take several years or longer to settle and the Company continually revises estimates as more information about claimants’ medical conditions and potential disability becomes known and the claims get closer to being settled. Multiple factors can cause both favorable and unfavorable loss development. The favorable loss development we experienced across accident years was largely due to favorable case reserve development from closed claims and claims where the worker had reached maximum medical improvement.

The assumptions we used in establishing our reserves were based on our historical claims data. However, as of June 30, 2020, actual results for certain accident years have been better than our assumptions would have predicted. We do not presently intend to modify our assumptions for establishing reserves in light of recent results. However, if actual results for current and future accident years are consistent with, or different than, our results in these recent accident years, our historical claims data will reflect this change and, over time, will impact the reserves we establish for future claims.

Our reserves for loss and loss adjustment expenses are inherently uncertain and our focus on providing workers’ compensation insurance to employers engaged in hazardous industries results in our receiving relatively fewer but more severe claims than many other workers’ compensation insurance companies. As a result of this focus on higher severity, lower frequency business, our reserve for loss and loss adjustment expenses may have greater volatility than other workers’ compensation insurance companies. For additional information, see Item 1, “Business—Loss Reserves” in our Annual Report on Form 10-K for the year ended December 31, 2019.

Item 3. Quantitative and Qualitative Disclosures About Market Risk.

Market risk is the risk of potential economic loss principally arising from adverse changes in the fair value of financial instruments. The major components of market risk affecting us are credit risk, interest rate risk, and equity price risk. We currently have no exposure to foreign currency risk.

Since December 31, 2019, there have been no material changes in the quantitative or qualitative aspect of our market risk profile. For additional information regarding the Company’s exposure to certain market risks, see Item 7A, “Quantitative and Qualitative Disclosures About Market Risk” in our Annual Report on Form 10-K for the year ended December 31, 2019.

Item 4. Controls and Procedures.

Under the supervision and with the participation of our management, including our Chief Executive Officer and Chief Financial Officer, we have evaluated the effectiveness of our disclosure controls and procedures (as defined in Rule 13a-15(e) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”)) as of the end of the period covered by this report. Based on that evaluation, our Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures were effective as of the end of the period covered by this report to provide reasonable assurance that information we are required to disclose in reports that are filed or submitted under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the rules and forms specified by the SEC. We note that the design of any system of controls is based in part upon certain assumptions about the likelihood of future events, and there can be no assurance that any design will succeed in achieving the stated goals under all potential future conditions.

Because of its inherent limitations, management does not expect that our disclosure controls and procedures and our internal controls over financial reporting will prevent or detect all misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions or that the degree of compliance with policies and procedures may deteriorate. Any control system, no matter how well designed and operated, is based upon certain assumptions and can only provide reasonable, not absolute assurance that its objectives will be met. Further, no evaluation of controls can provide absolute assurance that misstatements due to errors or fraud will not occur or that all control issues and instances of fraud, if any within the Company, have been detected.

There have not been any changes in our internal control over financial reporting during the period covered by this report that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

PART II—OTHER INFORMATION

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds.

The Board of Directors initially authorized the Company’s share repurchase program in February 2010. In October 2016, the Board reauthorized this program with no expiration date. As of June 30, 2020, we had repurchased a total of 1,258,250 shares of our outstanding common stock for $22.4 million. The Company had $25.0 million available for future purchases at June 30, 2020 under this program. There were no shares repurchased during the three months ended June 30, 2020 and 2019. The purchases may be effected from time to time depending upon market conditions and subject to applicable regulatory considerations. It is anticipated that future purchases will be funded from available capital.

Item 6. Exhibits.

Exhibit No.		Description

31.1		Certification of G. Janelle Frost filed pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

31.2		Certification of Neal A. Fuller filed pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

32.1		Certification of G. Janelle Frost and Neal A. Fuller filed pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

101.INS		XBRL Instance Document – The instance document does not appear in the interactive data file because its XBRL tags are embedded within the Inline XBRL document

101.SCH		Inline XBRL Taxonomy Extension Schema Document

101.CAL		Inline XBRL Taxonomy Extension Calculation Linkbase Document

101.LAB		Inline XBRL Taxonomy Extension Label Linkbase Document

101.PRE		Inline XBRL Taxonomy Extension Presentation Linkbase Document

101.DEF		Inline XBRL Taxonomy Extension Definition Linkbase Document

104		Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

		AMERISAFE, INC.

July 31, 2020		/s/ G. Janelle Frost
		G. Janelle Frost
		President, Chief Executive Officer and Director
		(Principal Executive Officer)

July 31, 2020		/s/ Neal A. Fuller
		Neal A. Fuller
		Executive Vice President and Chief Financial Officer
		(Principal Financial and Accounting Officer)

amsf-ex311_6.htm

Exhibit 31.1

CERTIFICATIONS

I, G. Janelle Frost, certify that:

1. I have reviewed this quarterly report on Form 10-Q of AMERISAFE, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: July 31, 2020		/s/ G. Janelle Frost
		G. Janelle Frost
		President and Chief Executive Officer
		(Principal Executive Officer)

amsf-ex312_7.htm

Exhibit 31.2

CERTIFICATIONS

I, Neal A. Fuller, certify that:

1. I have reviewed this quarterly report on Form 10-Q of AMERISAFE, Inc.;

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: July 31, 2020		/s/ Neal A. Fuller
		Neal A. Fuller
		Executive Vice President and Chief Financial Officer
		(Principal Financial Officer)

amsf-ex321_8.htm

Exhibit 32.1

CERTIFICATION PURSUANT TO 18 U.S.C. § 1350,

AS ADOPTED PURSUANT TO § 906

OF THE SARBANES-OXLEY ACT OF 2002

In connection with the filing of the Quarterly Report on Form 10-Q of AMERISAFE, Inc., a Texas corporation (the “Company”), for the quarter ended June 30, 2020, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), each of the undersigned officers of the Company certifies, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that, to such officer’s knowledge:

1. The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company as of the dates and for the periods expressed in the Report.

Date: July 31, 2020		/s/ G. Janelle Frost
		G. Janelle Frost
		President and Chief Executive Officer
		(Principal Executive Officer)

		/s/ Neal A. Fuller
		Neal A. Fuller
		Executive Vice President and Chief Financial Officer
		(Principal Financial Officer)

The foregoing certification is being furnished solely pursuant to 18 U.S.C. § 1350 and is not being filed as part of the Report or as a separate disclosure document.

Document and Entity Information - shares	6 Months Ended
Document and Entity Information - shares	Jun. 30, 2020	Jul. 27, 2020
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2020
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q2
Trading Symbol	AMSF
Entity Registrant Name	AMERISAFE, INC.
Entity Central Index Key	0001018979
Entity Current Reporting Status	Yes
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Shell Company	false
Entity Small Business	false
Entity Emerging Growth Company	false
Entity File Number	001-12251
Entity Tax Identification Number	75-2069407
Entity Address, Address Line One	2301 Highway 190 West
Entity Address, City or Town	DeRidder
Entity Address, State or Province	LA
Entity Address, Postal Zip Code	70634
City Area Code	337
Local Phone Number	463-9052
Entity Common Stock, Shares Outstanding		19,331,059
Entity Incorporation, State or Country Code	TX
Title of 12(b) Security	Common
Security Exchange Name	NASDAQ
Entity Interactive Data Current	Yes
Document Quarterly Report	true
Document Transition Report	false

Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Investments:
Fixed maturity securities—held-to-maturity, at amortized cost net of allowance for credit losses of $357 and $0 in 2020 and 2019, respectively, (fair value $609,281 and $621,343 in 2020 and 2019, respectively)	$ 576,191	$ 599,421
Fixed maturity securities—available-for-sale, at fair value (amortized cost $392,117, allowance for credit losses of $0 in 2020 and amortized cost $425,698, allowance for credit losses of $0 in 2019)	416,240	441,146
Equity securities, at fair value (cost $33,227 and $24,457 in 2020 and 2019, respectively)	33,480	27,903
Short-term investments	72,849	56,548
Total investments	1,098,760	1,125,018
Cash and cash equivalents	110,281	43,813
Amounts recoverable from reinsurers (net of allowance for credit losses of $388 and $0 in 2020 and 2019, respectively)	103,524	95,913
Premiums receivable (net of allowance for credit losses of $5,277 and $5,112 in 2020 and 2019, respectively)	175,241	157,953
Deferred income taxes	16,704	17,513
Accrued interest receivable	9,297	9,730
Property and equipment, net	6,385	6,331
Deferred policy acquisition costs	19,765	19,048
Other assets	10,016	17,587
Total assets	1,549,973	1,492,906
Liabilities:
Reserves for loss and loss adjustment expenses	768,767	772,887
Unearned premiums	147,824	140,873
Amounts held for others	41,501	37,937
Policyholder deposits	43,285	44,718
Insurance-related assessments	25,955	22,967
Federal income tax payable	12,098	3,220
Accounts payable and other liabilities	40,712	40,089
Payable for investments purchased	7,035
Total liabilities	1,087,177	1,062,691
Shareholders’ equity:
Common stock: voting—$0.01 par value authorized shares—50,000,000 in 2020 and 2019; 20,589,309 and 20,560,833 shares issued and 19,331,059 and 19,302,583 shares outstanding in 2020 and 2019, respectively	206	205
Additional paid-in capital	214,894	213,004
Treasury stock, at cost (1,258,250 shares in 2020 and 2019)	(22,370)	(22,370)
Accumulated earnings	250,888	227,165
Accumulated other comprehensive income, net	19,178	12,211
Total shareholders’ equity	462,796	430,215
Total liabilities and shareholders’ equity	$ 1,549,973	$ 1,492,906

Consolidated Balance Sheets (Parenthetical) - USD ($)	Jun. 30, 2020	Dec. 31, 2019
Statement Of Financial Position [Abstract]
Fixed maturity securities, held-to-maturity, allowance for credit losses	$ 357,000	$ 0
Fixed maturity securities, fair value	609,281,000	621,343,000
Fixed maturity securities, available-for-sale, allowance for credit losses	0	0
Fixed maturity securities, amortized cost	392,117,000	425,698,000
Equity securities, cost	33,227,000	24,457,000
Amounts recoverable from reinsurers, allowance for credit losses	388,000	0
Premiums receivable, allowance for credit losses	$ 5,277,000	$ 5,112,000
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	20,589,309	20,560,833
Common stock, shares outstanding	19,331,059	19,302,583
Treasury stock, shares	1,258,250	1,258,250

Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenues
Gross premiums written	$ 80,289	$ 87,018	$ 167,360	$ 180,125
Ceded premiums written	(2,672)	(2,204)	(5,455)	(4,634)
Net premiums written	77,617	84,814	161,905	175,491
Net premiums earned	75,964	82,951	154,954	167,899
Net investment income	7,324	8,169	15,073	16,184
Net realized gains (losses) on investments	163	(82)	1,155	(23)
Net unrealized gains (losses) on equity securities	5,570	642	(3,193)	2,800
Fee and other income	90	73	291	83
Total revenues	89,082	91,753	168,251	186,943
Loss on disposal of assets	(29)		(29)
Expenses
Loss and loss adjustment expenses incurred	37,530	48,868	81,177	98,482
Underwriting and certain other operating costs	7,786	7,416	16,003	14,968
Commissions	5,812	6,243	11,867	12,611
Salaries and benefits	7,533	6,059	14,545	12,806
Policyholder dividends	948	998	1,971	2,098
Total expenses	59,691	69,584	125,619	140,965
Provision for investment related credit loss expense	82		56
Income before income taxes	29,391	22,169	42,632	45,978
Income tax expense	5,443	4,279	7,884	8,688
Net income	$ 23,948	$ 17,890	$ 34,748	$ 37,290
Earnings per share
Basic	$ 1.24	$ 0.93	$ 1.80	$ 1.94
Diluted	$ 1.24	$ 0.93	$ 1.80	$ 1.93
Shares used in computing earnings per share
Basic	19,280,684	19,245,592	19,273,347	19,237,401
Diluted	19,335,707	19,306,953	19,335,748	19,316,276
Cash dividends declared per common share	$ 0.27	$ 0.25	$ 0.54	$ 0.50

Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 23,948	$ 17,890	$ 34,748	$ 37,290
Other comprehensive income:
Unrealized gain on debt securities, net of tax	5,483	4,980	6,967	10,972
Change in deferred tax valuation allowance		198
Comprehensive income	$ 29,431	$ 23,068	$ 41,715	$ 48,262

Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Treasury Stock [Member]	Accumulated Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Beginning Balance at Dec. 31, 2018	$ 409,762	$ 205	$ 211,431	$ (22,370)	$ 221,328	$ (832)
Beginning Balance, Shares at Dec. 31, 2018		20,528,230		(1,258,250)
Impact of adoption of ASU \| ASU 2016-02 [Member]	(1)				(1)
Comprehensive income:
Net income	37,290				37,290
Other comprehensive income:
Change in unrealized gains (losses), net of tax	10,972					10,972
Comprehensive income	48,262
Common stock issued upon exercise of options	$ 20		20
Common stock issued upon exercise of options, Shares	5,000	5,000
Common stock issued	$ 560		560
Common stock issued, Shares		23,281
Share-based compensation	482		482
Dividends to shareholders	(9,642)				(9,642)
Ending Balance at Jun. 30, 2019	449,443	$ 205	212,493	$ (22,370)	248,975	10,140
Ending Balance, Shares at Jun. 30, 2019		20,556,511		(1,258,250)
Beginning Balance at Mar. 31, 2019	430,405	$ 205	211,700	$ (22,370)	235,908	4,962
Beginning Balance, Shares at Mar. 31, 2019		20,533,230		(1,258,250)
Comprehensive income:
Net income	17,890				17,890
Other comprehensive income:
Change in unrealized gains (losses), net of tax	4,980					4,980
Change in deferred tax valuation allowance	198					198
Comprehensive income	23,068
Common stock issued	560		560
Common stock issued, Shares		23,281
Share-based compensation	233		233
Dividends to shareholders	(4,823)				(4,823)
Ending Balance at Jun. 30, 2019	449,443	$ 205	212,493	$ (22,370)	248,975	10,140
Ending Balance, Shares at Jun. 30, 2019		20,556,511		(1,258,250)
Beginning Balance at Dec. 31, 2019	$ 430,215	$ 205	213,004	$ (22,370)	227,165	12,211
Beginning Balance, Shares at Dec. 31, 2019	19,302,583	20,560,833		(1,258,250)
Impact of adoption of ASU \| ASU 2016-13 [Member]	$ (594)				(594)
Comprehensive income:
Net income	34,748				34,748
Other comprehensive income:
Change in unrealized gains (losses), net of tax	6,967					6,967
Comprehensive income	$ 41,715
Common stock issued upon exercise of options, Shares	0
Common stock issued	$ 1,360	$ 1	1,359
Common stock issued, Shares		28,476
Share-based compensation	531		531
Dividends to shareholders	(10,431)				(10,431)
Ending Balance at Jun. 30, 2020	$ 462,796	$ 206	214,894	$ (22,370)	250,888	19,178
Ending Balance, Shares at Jun. 30, 2020	19,331,059	20,589,309		(1,258,250)
Beginning Balance at Mar. 31, 2020	$ 436,956	$ 205	213,267	$ (22,370)	232,159	13,695
Beginning Balance, Shares at Mar. 31, 2020		20,561,034		(1,258,250)
Comprehensive income:
Net income	23,948				23,948
Other comprehensive income:
Change in unrealized gains (losses), net of tax	5,483					5,483
Comprehensive income	29,431
Common stock issued	1,360	$ 1	1,359
Common stock issued, Shares		28,275
Share-based compensation	268		268
Dividends to shareholders	(5,219)				(5,219)
Ending Balance at Jun. 30, 2020	$ 462,796	$ 206	$ 214,894	$ (22,370)	$ 250,888	$ 19,178
Ending Balance, Shares at Jun. 30, 2020	19,331,059	20,589,309		(1,258,250)

Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Operating activities
Net income	$ 34,748	$ 37,290
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	496	449
Net amortization of investments	4,198	4,483
Change in investment related allowance for credit losses	56
Deferred income taxes	(893)	(526)
Net realized (gains) losses on investments	(1,155)	23
Net unrealized (gains) losses on equity securities	3,193	(2,800)
Net realized losses on disposal of assets	29
Share-based compensation	1,778	509
Changes in operating assets and liabilities:
Premiums receivable, net	(17,288)	(12,542)
Accrued interest receivable	433	111
Deferred policy acquisition costs	(717)	(816)
Amounts held by others	7,855	1
Other assets	(248)	(947)
Reserves for loss and loss adjustment expenses	(4,120)	(3,363)
Unearned premiums	6,951	7,593
Reinsurance balances	(8,054)	8,317
Amounts held for others and policyholder deposits	2,131	1,976
Accounts payable and other liabilities	12,777	(189)
Net cash provided by operating activities	42,170	39,569
Investing activities
Purchases of investments held-to-maturity	(38,658)	(67,571)
Purchases of investments available-for-sale	(29,303)	(27,356)
Purchases of equity securities	(8,770)	(2,620)
Purchases of short-term investments	(68,787)	(79,224)
Proceeds from maturities of investments held-to-maturity	59,543	73,865
Proceeds from sales and maturities of investments available-for-sale	68,430	60,494
Proceeds from sales and maturities of short-term investments	52,959	23,679
Purchases of property and equipment	(579)	(148)
Net cash provided by (used in) investing activities	34,835	(18,881)
Financing activities
Proceeds from stock option exercises		20
Finance lease purchases	(25)	(23)
Dividends to shareholders	(10,512)	(9,783)
Net cash used in financing activities	(10,537)	(9,786)
Change in cash and cash equivalents	66,468	10,902
Cash and cash equivalents at beginning of period	43,813	40,344
Cash and cash equivalents at end of period	$ 110,281	$ 51,246

Basis of Presentation

6 Months Ended

Jun. 30, 2020

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Basis of Presentation

Note 1. Basis of Presentation

The terms “AMERISAFE,” the “Company,” “we,” “us” or “our” refer to AMERISAFE, Inc. and its consolidated subsidiaries, as the context requires.

Adopted Accounting Guidance

In determining the amount of the credit loss allowance, the Company will consider all of the following factors:

1. The extent to which the fair value is less than the amortized cost basis

2. Adverse conditions in the security, industry, or geography, including:

a.) Changes in technology

b.) Discontinuation of a segment of business that may affect future earnings

c.) Changes in the quality of the credit enhancement, if any

3. Changes in the payment structure of the debt security

4. Failure of the issuer to make scheduled interest or principal payments

5. Any changes to the rating of the security by a rating agency

The calculation of the credit loss allowance will not take into account the amount of time the security has been below book value or when the security might be expected to recover in value.

Prospective Accounting Guidance

All issued but not yet effective accounting and reporting standards as of June 30, 2020 are either not applicable to the Company or are not expected to have a material impact on the Company.

Stock Options and Restricted Stock

6 Months Ended

Jun. 30, 2020

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Stock Options and Restricted Stock

Note 2. Stock Options and Restricted Stock

Earnings Per Share

6 Months Ended

Jun. 30, 2020

Earnings Per Share [Abstract]

Earnings Per Share

Note 3. Earnings Per Share

Basic EPS is calculated by dividing net income by the weighted-average number of common shares outstanding during the period.

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2020		2019		2020		2019
	(in thousands, except share and per share amounts)
Basic EPS:
Net income	$	23,948	$	17,890	$	34,748	$	37,290
Basic weighted average common shares		19,280,684		19,245,592		19,273,347		19,237,401
Basic earnings per common share	$	1.24	$	0.93	$	1.80	$	1.94
Diluted EPS:
Net income	$	23,948	$	17,890	$	34,748	$	37,290
Diluted weighted average common shares:
Weighted average common shares		19,280,684		19,245,592		19,273,347		19,237,401
Stock options and restricted stock		55,023		61,361		62,401		78,875
Diluted weighted average common shares		19,335,707		19,306,953		19,335,748		19,316,276
Diluted earnings per common share	$	1.24	$	0.93	$	1.80	$	1.93

Investments

6 Months Ended

Jun. 30, 2020

Investments Debt And Equity Securities [Abstract]

Investments

Note 4. Investments

	Amortized Cost		Allowance for Credit Losses			Carrying Amount		Gross Unrecognized Gains		Gross Unrecognized Losses			Fair Value
	(in thousands)
States and political subdivisions	$	469,538	$	(49	)	$	469,489	$	28,907	$	(20	)	$	498,376
Corporate bonds		83,879		(299	)		83,580		3,054		—			86,634
U.S. agency-based mortgage-backed securities		9,227		—			9,227		720		—			9,947
U.S. Treasury securities and obligations of U.S. government agencies		13,710		—			13,710		422		—			14,132
Asset-backed securities		194		(9	)		185		7		—			192
Totals	$	576,548	$	(357	)	$	576,191	$	33,110	$	(20	)	$	609,281

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value		Allowance for Credit Losses
	(in thousands)
States and political subdivisions	$	227,932	$	16,750	$	—		$	244,682	$	—
Corporate bonds		103,713		5,711		(47	)		109,377		—
U.S. agency-based mortgage-backed securities		28,581		575		—			29,156		—
U.S. Treasury securities and obligations of U.S. government agencies		31,891		1,134		—			33,025		—
Totals	$	392,117	$	24,170	$	(47	)	$	416,240	$	—

The gross unrealized gains and losses on, and the cost of equity securities at June 30, 2020 are summarized as follows:

	Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(in thousands)
Equity securities:
Domestic common stock	$	33,227	$	1,425	$	(1,172	)	$	33,480
Total equity securities	$	33,227	$	1,425	$	(1,172	)	$	33,480

The gross unrealized gains and losses on, and the amortized cost and fair value of, those investments classified as held-to-maturity at December 31, 2019 are summarized as follows:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(in thousands)
States and political subdivisions	$	466,270	$	19,570	$	(193	)	$	485,647
Corporate bonds		109,241		1,684		—			110,925
U.S. agency-based mortgage-backed securities		10,967		544		—			11,511
U.S. Treasury securities and obligations of U.S. government agencies		12,723		330		(12	)		13,041
Asset-backed securities		220		—		(1	)		219
Totals	$	599,421	$	22,128	$	(206	)	$	621,343

The gross unrealized gains and losses on, and the amortized cost and fair value of, those investments classified as available-for-sale at December 31, 2019 are summarized as follows:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(in thousands)
States and political subdivisions	$	225,895	$	11,906	$	(26	)	$	237,775
Corporate bonds		130,453		3,326		(1	)		133,778
U.S. agency-based mortgage-backed securities		29,499		64		(96	)		29,467
U.S. Treasury securities and obligations of U.S. government agencies		39,851		317		(42	)		40,126
Totals	$	425,698	$	15,613	$	(165	)	$	441,146

The gross unrealized gains and losses on, and the cost of equity securities at December 31, 2019 are summarized as follows:

	Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
	(in thousands)
Equity securities:
Domestic common stock	$	24,457	$	3,446	$	—	$	27,903
Total equity securities	$	24,457	$	3,446	$	—	$	27,903

A summary of the carrying amounts and fair value of investments in fixed maturity securities, classified as held-to-maturity, by contractual maturity, is as follows:

	June 30, 2020				December 31, 2019
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
	(in thousands)
Maturity:
Within one year	$	59,898	$	60,504	$	49,967	$	50,348
After one year through five years		195,398		204,082		198,025		202,109
After five years through ten years		80,484		84,789		110,460		113,877
After ten years		230,999		249,767		229,782		243,279
U.S. agency-based mortgage-backed securities		9,227		9,947		10,967		11,511
Asset-backed securities		185		192		220		219
Totals	$	576,191	$	609,281	$	599,421	$	621,343

A summary of the amortized cost and fair value of investments in fixed maturity securities, classified as available-for-sale, by contractual maturity, is as follows:

	June 30, 2020				December 31, 2019
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
	(in thousands)
Maturity:
Within one year	$	65,386	$	66,197	$	27,160	$	27,194
After one year through five years		89,127		93,818		144,142		146,469
After five years through ten years		45,235		49,460		47,175		49,419
After ten years		163,788		177,609		177,722		188,597
U.S. agency-based mortgage-backed securities		28,581		29,156		29,499		29,467
Totals	$	392,117	$	416,240	$	425,698	$	441,146

	Less Than 12 Months				12 Months or Greater				Total
	Fair Value of Investments with Unrealized Losses		Gross Unrealized Losses		Fair Value of Investments with Unrealized Losses		Gross Unrealized Losses		Fair Value of Investments with Unrealized Losses		Gross Unrealized Losses
	(in thousands)
June 30, 2020
Available-for-Sale
Fixed maturity securities:
Corporate bonds		3,506		47		—		—		3,506		47
Total available-for-sale securities	$	3,506	$	47	$	—	$	—	$	3,506	$	47

	Less Than 12 Months				12 Months or Greater				Total
	Fair Value of Investments with Unrealized Losses		Gross Unrealized Losses		Fair Value of Investments with Unrealized Losses		Gross Unrealized Losses		Fair Value of Investments with Unrealized Losses		Gross Unrealized Losses
	(in thousands)
December 31, 2019
Held-to-Maturity
Fixed maturity securities:
States and political subdivisions	$	21,074	$	193	$	—	$	—	$	21,074	$	193
U.S. Treasury securities and obligations of U.S. government agencies		—		—		3,243		12		3,243		12
Asset-backed securities		—		—		68		1		68		1
Total held-to-maturity securities		21,074		193		3,311		13		24,385		206
Available-for-Sale
Fixed maturity securities:
States and political subdivisions	$	4,140	$	26	$	—	$	—	$	4,140	$	26
Corporate bonds		6,426		1		—		—		6,426		1
U.S. agency-based mortgage-backed securities		13,007		95		1,152		1		14,159		96
U.S. Treasury securities and obligations of U.S. government agencies		—		—		17,068		42		17,068		42
Total available-for-sale securities		23,573		122		18,220		43		41,793		165
Total	$	44,647	$	315	$	21,531	$	56	$	66,178	$	371

The following table illustrates the changes in the allowance for credit losses by major security type of the investments classified as held-to-maturity for the quarter ended June 30, 2020.

	States and Political Subdivisions			Corporate Bonds		U.S. Agency-Based Mortgage-Backed Securities		U.S. Treasury Securities and Obligations of U.S. Government Agencies		Asset-Backed Securities			Totals
	(in thousands)
Balance at March 31, 2020	$	50		$	215	$	—	$	—	$	10		$	275
Provision for credit loss expense (benefit)		(1	)		84		—		—		(1	)		82
Allowance for securities purchased with credit deterioration		—			—		—		—		—			—
Securities charged off		—			—		—		—		—			—
Recoveries		—			—		—		—		—			—
Balance at June 30, 2020	$	49		$	299	$	—	$	—	$	9		$	357

The following table illustrates the changes in the allowance for credit losses by major security type of the investments classified as held-to-maturity for the six months ended June 30, 2020.

	States and Political Subdivisions		Corporate Bonds		U.S. Agency-Based Mortgage-Backed Securities		U.S. Treasury Securities and Obligations of U.S. Government Agencies		Asset-Backed Securities			Totals
	(in thousands)
Balance at January 1, 2020	$	45	$	245	$	—	$	—	$	11		$	301
Provision for credit loss expense (benefit)		4		54		—		—		(2	)		56
Allowance for securities purchased with credit deterioration		—		—		—		—		—			—
Securities charged off		—		—		—		—		—			—
Recoveries		—		—		—		—		—			—
Balance at June 30, 2020	$	49	$	299	$	—	$	—	$	9		$	357

The Company has no allowance for credit losses on investments classified as available-for-sale for the period ended June 30, 2020.

The table below presents the amortized cost of held-to-maturity securities aggregated by credit quality indicator as of June 30, 2020.

	States and Political Subdivisions		Corporate Bonds		U.S. Agency-Based Mortgage-Backed Securities		U.S. Treasury Securities and Obligations of U.S. Government Agencies		Asset-Backed Securities		Totals
	Amortized cost
	(in thousands)
AAA/AA/A ratings	$	467,104	$	31,595	$	9,227	$	13,710	$	135	$	521,771
Baa/BBB ratings		2,434		52,284		—		—		18		54,736
B ratings		—		—		—		—		41		41
Total	$	469,538	$	83,879	$	9,227	$	13,710	$	194	$	576,548

Income Taxes

6 Months Ended

Jun. 30, 2020

Income Tax Disclosure [Abstract]

Income Taxes

Note 5. Income Taxes

The Company recognizes interest and penalties related to uncertain tax positions in income tax expense. There were no uncertain tax positions for the periods ended June 30, 2020 and 2019.

Tax years 2017 through 2020 are subject to examination by the federal and state taxing authorities.

Loss Reserves

6 Months Ended

Jun. 30, 2020

Insurance [Abstract]

Loss Reserves

Note 6. Loss Reserves

	Six Months Ended June 30,
	2020			2019
	(in thousands)
Balance, beginning of period	$	772,887		$	798,409
Less amounts recoverable from reinsurers on unpaid loss and loss adjustment expenses		95,343			107,216
Net balance, beginning of period		677,544			691,193
Add incurred related to:
Current accident year		112,342			121,727
Prior accident years		(31,165	)		(23,245	)
Total incurred		81,177			98,482
Less paid related to:
Current accident year		13,629			15,926
Prior accident years		78,303			77,362
Total paid		91,932			93,288
Net balance, end of period		666,789			696,387
Add amounts recoverable from reinsurers on unpaid loss and loss adjustment expenses		101,978			98,659
Balance, end of period	$	768,767		$	795,046

The table below presents the change in the allowance for credit losses on amounts recoverable from reinsurers for the three and six months ended June 30, 2020.

	Three Months Ended June 30,			Six Months Ended June 30,
	2020			2020
	(in thousands)
Balance, beginning of period	$	449		$	444
Provision for credit loss benefit		(61	)		(56	)
Balance, end of period	$	388		$	388

Comprehensive Income and Accumulated Other Comprehensive Income

6 Months Ended

Jun. 30, 2020

Equity [Abstract]

Comprehensive Income and Accumulated Other Comprehensive Income

Note 7. Comprehensive Income and Accumulated Other Comprehensive Income

	Three Months Ended June 30,						Six Months Ended June 30,
	2020			2019			2020			2019
	(in thousands)
Balance, beginning of period	$	13,695		$	4,962		$	12,211		$	(832	)
Other comprehensive income before reclassification		5,588			5,001			7,373			10,889
Amounts reclassified from accumulated other comprehensive income		(105	)		(21	)		(406	)		83
Change in deferred tax valuation allowance		—			198			—			—
Net current period other comprehensive income		5,483			5,178			6,967			10,972
Balance, end of period	$	19,178		$	10,140		$	19,178		$	10,140

Component of Accumulated Other	Three Months Ended						Six Months Ended						Affected line item in the
Comprehensive Income	June 30,						June 30,						statement of income
	2020			2019			2020			2019
	(in thousands)
Unrealized gains (losses) on available-for-sale securities	$	133		$	26		$	514		$	(105	)	Net realized gains (losses) on investments
		133			26			514			(105	)	Income before income taxes
		(28	)		(5	)		(108	)		22		Income tax expense
	$	105		$	21		$	406		$	(83	)	Net income

Fair Value Measurements

6 Months Ended

Jun. 30, 2020

Fair Value Disclosures [Abstract]

Fair Value Measurements

Note 8. Fair Value Measurements

•

Level 1 inputs are quoted prices (unadjusted) in active markets for identical assets or liabilities that the reporting entity has the ability to access at the measurement date.

•

At June 30, 2020, assets measured at fair value on a recurring basis are summarized below:

	June 30, 2020
	Level 1 Inputs		Level 2 Inputs		Level 3 Inputs		Total Fair Value
	(in thousands)
Financial instruments carried at fair value, classified as a part of:
Securities available-for-sale—fixed maturity:
States and political subdivisions	$	—	$	244,682	$	—	$	244,682
Corporate bonds		—		109,377		—		109,377
U.S. agency-based mortgage-backed securities		—		29,156		—		29,156
U.S. Treasury securities		33,025		—		—		33,025
Total securities available-for-sale—fixed maturity		33,025		383,215		—		416,240
Equity securities:
Domestic common stock		33,480		—		—		33,480
Total	$	66,505	$	383,215	$	—	$	449,720

At June 30, 2020, assets measured at amortized cost net of allowance for credit losses are summarized below:

	June 30, 2020
	Level 1 Inputs		Level 2 Inputs		Level 3 Inputs		Total Fair Value
	(in thousands)
Securities held-to-maturity—fixed maturity:
States and political subdivisions	$	—	$	498,376	$	—	$	498,376
Corporate bonds		—		86,634		—		86,634
U.S. agency-based mortgage-backed securities		—		9,947		—		9,947
U.S. Treasury securities		9,019		—		—		9,019
Obligations of U.S. government agencies		—		5,113		—		5,113
Asset-backed securities		—		192		—		192
Total held-to-maturity	$	9,019	$	600,262	$	—	$	609,281

At December 31, 2019, assets measured at fair value on a recurring basis are summarized below:

	December 31, 2019
	Level 1 Inputs		Level 2 Inputs		Level 3 Inputs		Total Fair Value
	(in thousands)
Financial instruments carried at fair value, classified as a part of:
Securities available-for-sale—fixed maturity:
States and political subdivisions	$	—	$	237,775	$	—	$	237,775
Corporate bonds		—		133,778		—		133,778
U.S. agency-based mortgage-backed securities		—		29,467		—		29,467
U.S. Treasury securities		40,126		—		—		40,126
Total securities available-for-sale—fixed maturity	$	40,126	$	401,020	$	—	$	441,146
Equity securities:
Domestic common stock		27,903		—		—		27,903
Total	$	68,029	$	401,020	$	—	$	469,049

At December 31, 2019, assets measured at amortized cost are summarized below:

	December 31, 2019
	Level 1 Inputs		Level 2 Inputs		Level 3 Inputs		Total Fair Value
	(in thousands)
Securities held-to-maturity—fixed maturity:
States and political subdivisions	$	—	$	485,647	$	—	$	485,647
Corporate bonds		—		110,925		—		110,925
U.S. agency-based mortgage-backed securities		—		11,511		—		11,511
U.S. Treasury securities		7,873		—		—		7,873
Obligations of U.S. government agencies		—		5,168		—		5,168
Asset-backed securities		—		219		—		219
Total held-to-maturity	$	7,873	$	613,470	$	—	$	621,343

The following table summarizes the carrying amounts and corresponding fair values for financial instruments:

	As of June 30, 2020				As of December 31, 2019
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
	(in thousands)
Assets:
Fixed maturity securities—held-to-maturity	$	576,191	$	609,281	$	599,421	$	621,343
Fixed maturity securities—available-for-sale		416,240		416,240		441,146		441,146
Equity securities		33,480		33,480		27,903		27,903
Short-term investments		72,849		72,849		56,548		56,548
Cash and cash equivalents		110,281		110,281		43,813		43,813

Treasury Stock

6 Months Ended

Jun. 30, 2020

Equity [Abstract]

Treasury Stock

Note 9. Treasury Stock

Subsequent Events

6 Months Ended

Jun. 30, 2020

Subsequent Events [Abstract]

Subsequent Events

Note 10. Subsequent Events

Basis of Presentation (Policies)	6 Months Ended
Basis of Presentation (Policies)	Jun. 30, 2020
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Adopted Accounting Guidance	Adopted Accounting Guidance On January 1, 2020, the Company adopted ASU 2016-13, Financial Instruments – Credit Losses (Topic 326): Measurement of Credit Losses (“CECL”). The prior guidance delays the recognition of credit losses until a probable loss has occurred. The new guidance requires credit losses for securities measured at amortized cost to be determined using current expected credit loss estimates. These estimates are derived from historical, current and reasonable supporting forecasts, including prepayments and estimates, and are recorded through a valuation account. The same method is used for available-for-sale securities, but the valuation account is limited to the amount by which the fair value is below amortized cost. The Company implemented the new standard using the modified retrospective approach. Results for reporting periods beginning after January 1, 2020 are presented under the new guidance while prior period amounts continue to be reported in accordance with previously applicable GAAP. The Company recorded a net decrease to Retained Earnings of $594 thousand as of January 1, 2020, for the cumulative effect of adopting ASU 2016-13. The transition adjustment includes a $243 thousand impact to establish a credit loss allowance for held-to-maturity securities. The remaining $351 thousand of the transition adjustment was due to the creation of the reinsurance recoverable credit allowance. The Company believes that under the standard there is no current expected credit allowance necessary for U.S. Government Securities in its judgment as: 1) Treasury securities typically are the most highly rated securities among rating agencies; 2) Treasury securities have a long history of no credit losses; 3) Treasury securities are guaranteed by a sovereign entity (the U.S. Government) that can print its own money and whose currency (the U.S. dollar) is the reserve currency. The Company believes that under the standard there is no current expected credit allowance necessary for GNMA Securities in its judgment as: 1) GNMA securities typically are the most highly rated securities among rating agencies; 2) GNMA securities have a long history of no credit losses and payments are explicitly guaranteed by the United States; 3) Underlying mortgage loans for GNMA securities are insured by the Federal Housing Administration or guaranteed by the U.S. Department of Veteran Affairs; 4) the U.S. Government can print its own money to retire GNMA obligations. The Company believes that under the standard there is no current expected credit allowance necessary for FNMA or Freddie Mac (FHLMC) Securities in its judgment as: 1) These securities typically are among the most highly rated securities among rating agencies; 2) There is a long history of no credit losses; 3) Principal and interest payments are guaranteed by the issuing agency; 4) There is an explicit guarantee by the U.S. Government that can print its own money and whose currency (the U.S. dollar) is the reserve currency. The Company researched various options and methodologies and has chosen to use Moody’s default rates and recovery rates for our held-to-maturity fixed income securities based on the current credit rating of the security and the time period to the stated maturity date. This is a probability of default (PD) and loss given default (LGD) methodology. The credit rating used for held-to-maturity fixed income securities is the rating for each security as published by Moody’s, S&P, and Fitch to determine the probability of default. If there are two ratings, the lower rating is used. If there are three ratings, the median rating is used. If there is one rating, that rating is used. This methodology provides additional conservatism in determining the credit loss allowance needed. For corporate fixed income securities, the probability of default (given a rating) comes from Moody’s annual study of Corporate Bond defaults published each February. This study also contains the average recovery rates based on the historical defaults in the Moody’s study. We have chosen to use the 1983-2018 data as more reflective of the current historical pattern of defaults (the study goes back to 1920). The maximum maturity using the default rate is 20 years (any maturity greater than 20 years will use the 20-year rate). For municipal fixed income securities the probability of default (given a rating) comes from Moody’s annual study of Municipal Bond defaults published each July/August. This study also contains the average recovery rates based on the historical defaults in the Moody’s study. This study covers 1970-2018 data, which we believe is reflective of the current historical pattern of defaults. The maximum maturity using the default rate is 20 years (any maturity greater than 20 years will use the 20-year rate). The Company did not record a credit allowance for available-for-sale securities. The available-for-sale portfolio is composed of highly rated securities, which carry a low risk of default. The Company’s concentrations in municipal bonds have helped lower default risk, as the historical default rates and recovery rates for municipal bonds has been much better than corporate bonds rated at the same level. The Company creates a watch list of available-for-sale securities that are below book value at the end of each quarter. This watch list excludes US Treasury securities, GNMA Securities, and government agency securities (FNMA, etc.) as none of those securities will have an expected credit loss. The watch list will also exclude those securities that are trading at least at $95 or above (par value $100) as the Company believes any slight difference between $95 and par likely reflect interest rate changes and liquidity only and are not a sign of credit impairment or market expectations for any current expected credit loss. The list is reviewed by the Management Investment Committee to evaluate any security where the discounted cash flows expected no longer exceed the book value of the security. If the Company intends to sell the security (or more likely than not be required to sell the security before recovery of the loss) the Company will write down the security to fair value through earnings. If the Company intends to hold the security, the Company will establish a credit loss allowance for the security through earnings, and adjust the allowance each quarter through earnings, as the security changes in value. In determining the amount of the credit loss allowance, the Company will consider all of the following factors: 1. The extent to which the fair value is less than the amortized cost basis 2. Adverse conditions in the security, industry, or geography, including: a.) Changes in technology b.) Discontinuation of a segment of business that may affect future earnings c.) Changes in the quality of the credit enhancement, if any 3. Changes in the payment structure of the debt security 4. Failure of the issuer to make scheduled interest or principal payments 5. Any changes to the rating of the security by a rating agency The calculation of the credit loss allowance will not take into account the amount of time the security has been below book value or when the security might be expected to recover in value. The Company has researched various options and methodologies and has chosen to use Moody’s default rates and recovery rates for our unsecured reinsurance recoverables based on the current credit rating of the reinsurer and a time period of ten years. This is a probability of default (PD) and loss given default (LGD) methodology. The ten-year period is consistent with our current working layer reinsurance treaty where we have a three-year treaty, which must be commuted by the end of the tenth year. We believe this is an appropriate approach to our reinsurance recoverables. The credit rating used for reinsurance recoverables uses the average rating for each reinsurer as published by Moody’s, S&P, Fitch and A.M. Best to determine the probability of default. The median rating is used if there are three ratings. The probability of default (given a rating) comes from Moody’s annual study of Corporate Bond defaults published each February. This study also contains the average recovery rates based on the historical defaults in the Moody’s study. We have chosen to use the 1983-2018 data as more reflective of the current historical pattern of defaults (the study goes back to 1920). The Company does not hold any debt securities for which an other-than-temporary impairment has been recognized. Additionally, the Company does not hold any financial assets purchased with credit deterioration. The Company’s internal working group evaluated the existing allowance for doubtful accounts reserving methodology for premiums receivable and determined the calculation was consistent with the new credit loss guidance. There was no impact to the premiums receivable balance as a result of the adoption of the new standard. The Company has elected not to establish a credit allowance for investment interest receivable. The Company plans to continue use of the current policy for writing off investment related interest receivable balances over ninety days old.
Prospective Accounting Guidance	Prospective Accounting Guidance All issued but not yet effective accounting and reporting standards as of June 30, 2020 are either not applicable to the Company or are not expected to have a material impact on the Company.

Fair Value Measurements (Policies)

6 Months Ended

Jun. 30, 2020

Fair Value Disclosures [Abstract]

Fair Value Measurements

Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2020

Earnings Per Share [Abstract]

Calculation of Basic and Diluted Earnings Per Share

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2020		2019		2020		2019
	(in thousands, except share and per share amounts)
Basic EPS:
Net income	$	23,948	$	17,890	$	34,748	$	37,290
Basic weighted average common shares		19,280,684		19,245,592		19,273,347		19,237,401
Basic earnings per common share	$	1.24	$	0.93	$	1.80	$	1.94
Diluted EPS:
Net income	$	23,948	$	17,890	$	34,748	$	37,290
Diluted weighted average common shares:
Weighted average common shares		19,280,684		19,245,592		19,273,347		19,237,401
Stock options and restricted stock		55,023		61,361		62,401		78,875
Diluted weighted average common shares		19,335,707		19,306,953		19,335,748		19,316,276
Diluted earnings per common share	$	1.24	$	0.93	$	1.80	$	1.93

Investments (Tables)

6 Months Ended

Jun. 30, 2020

Gross Unrecognized Gains and Losses and Cost or Amortized Cost, Allowance for Credit Losses, Carrying Amount and Fair Value of Investments Classified as Held-to-Maturity

	Amortized Cost		Allowance for Credit Losses			Carrying Amount		Gross Unrecognized Gains		Gross Unrecognized Losses			Fair Value
	(in thousands)
States and political subdivisions	$	469,538	$	(49	)	$	469,489	$	28,907	$	(20	)	$	498,376
Corporate bonds		83,879		(299	)		83,580		3,054		—			86,634
U.S. agency-based mortgage-backed securities		9,227		—			9,227		720		—			9,947
U.S. Treasury securities and obligations of U.S. government agencies		13,710		—			13,710		422		—			14,132
Asset-backed securities		194		(9	)		185		7		—			192
Totals	$	576,548	$	(357	)	$	576,191	$	33,110	$	(20	)	$	609,281

The gross unrealized gains and losses on, and the amortized cost and fair value of, those investments classified as held-to-maturity at December 31, 2019 are summarized as follows:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(in thousands)
States and political subdivisions	$	466,270	$	19,570	$	(193	)	$	485,647
Corporate bonds		109,241		1,684		—			110,925
U.S. agency-based mortgage-backed securities		10,967		544		—			11,511
U.S. Treasury securities and obligations of U.S. government agencies		12,723		330		(12	)		13,041
Asset-backed securities		220		—		(1	)		219
Totals	$	599,421	$	22,128	$	(206	)	$	621,343

Gross Unrealized Gains and Losses and Cost or Amortized Cost, Allowance for Credit Losses and Fair Value of Investments Classified as Available-for-sale

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value		Allowance for Credit Losses
	(in thousands)
States and political subdivisions	$	227,932	$	16,750	$	—		$	244,682	$	—
Corporate bonds		103,713		5,711		(47	)		109,377		—
U.S. agency-based mortgage-backed securities		28,581		575		—			29,156		—
U.S. Treasury securities and obligations of U.S. government agencies		31,891		1,134		—			33,025		—
Totals	$	392,117	$	24,170	$	(47	)	$	416,240	$	—

The gross unrealized gains and losses on, and the amortized cost and fair value of, those investments classified as available-for-sale at December 31, 2019 are summarized as follows:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(in thousands)
States and political subdivisions	$	225,895	$	11,906	$	(26	)	$	237,775
Corporate bonds		130,453		3,326		(1	)		133,778
U.S. agency-based mortgage-backed securities		29,499		64		(96	)		29,467
U.S. Treasury securities and obligations of U.S. government agencies		39,851		317		(42	)		40,126
Totals	$	425,698	$	15,613	$	(165	)	$	441,146

Gross Unrealized Gains and Losses and Cost of Equity

The gross unrealized gains and losses on, and the cost of equity securities at June 30, 2020 are summarized as follows:

	Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(in thousands)
Equity securities:
Domestic common stock	$	33,227	$	1,425	$	(1,172	)	$	33,480
Total equity securities	$	33,227	$	1,425	$	(1,172	)	$	33,480

The gross unrealized gains and losses on, and the cost of equity securities at December 31, 2019 are summarized as follows:

	Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
	(in thousands)
Equity securities:
Domestic common stock	$	24,457	$	3,446	$	—	$	27,903
Total equity securities	$	24,457	$	3,446	$	—	$	27,903

Summary of Carrying Amount and Fair Value of Investments in Fixed Maturity Securities, by Contractual Maturity

A summary of the carrying amounts and fair value of investments in fixed maturity securities, classified as held-to-maturity, by contractual maturity, is as follows:

	June 30, 2020				December 31, 2019
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
	(in thousands)
Maturity:
Within one year	$	59,898	$	60,504	$	49,967	$	50,348
After one year through five years		195,398		204,082		198,025		202,109
After five years through ten years		80,484		84,789		110,460		113,877
After ten years		230,999		249,767		229,782		243,279
U.S. agency-based mortgage-backed securities		9,227		9,947		10,967		11,511
Asset-backed securities		185		192		220		219
Totals	$	576,191	$	609,281	$	599,421	$	621,343

Investment Securities Continuous Unrealized Loss Position

	Less Than 12 Months				12 Months or Greater				Total
	Fair Value of Investments with Unrealized Losses		Gross Unrealized Losses		Fair Value of Investments with Unrealized Losses		Gross Unrealized Losses		Fair Value of Investments with Unrealized Losses		Gross Unrealized Losses
	(in thousands)
June 30, 2020
Available-for-Sale
Fixed maturity securities:
Corporate bonds		3,506		47		—		—		3,506		47
Total available-for-sale securities	$	3,506	$	47	$	—	$	—	$	3,506	$	47

	Less Than 12 Months				12 Months or Greater				Total
	Fair Value of Investments with Unrealized Losses		Gross Unrealized Losses		Fair Value of Investments with Unrealized Losses		Gross Unrealized Losses		Fair Value of Investments with Unrealized Losses		Gross Unrealized Losses
	(in thousands)
December 31, 2019
Held-to-Maturity
Fixed maturity securities:
States and political subdivisions	$	21,074	$	193	$	—	$	—	$	21,074	$	193
U.S. Treasury securities and obligations of U.S. government agencies		—		—		3,243		12		3,243		12
Asset-backed securities		—		—		68		1		68		1
Total held-to-maturity securities		21,074		193		3,311		13		24,385		206
Available-for-Sale
Fixed maturity securities:
States and political subdivisions	$	4,140	$	26	$	—	$	—	$	4,140	$	26
Corporate bonds		6,426		1		—		—		6,426		1
U.S. agency-based mortgage-backed securities		13,007		95		1,152		1		14,159		96
U.S. Treasury securities and obligations of U.S. government agencies		—		—		17,068		42		17,068		42
Total available-for-sale securities		23,573		122		18,220		43		41,793		165
Total	$	44,647	$	315	$	21,531	$	56	$	66,178	$	371

Changes in Allowance for Credit Losses by Major Security Type of Investments Classified as Held-to-Maturity

The following table illustrates the changes in the allowance for credit losses by major security type of the investments classified as held-to-maturity for the quarter ended June 30, 2020.

	States and Political Subdivisions			Corporate Bonds		U.S. Agency-Based Mortgage-Backed Securities		U.S. Treasury Securities and Obligations of U.S. Government Agencies		Asset-Backed Securities			Totals
	(in thousands)
Balance at March 31, 2020	$	50		$	215	$	—	$	—	$	10		$	275
Provision for credit loss expense (benefit)		(1	)		84		—		—		(1	)		82
Allowance for securities purchased with credit deterioration		—			—		—		—		—			—
Securities charged off		—			—		—		—		—			—
Recoveries		—			—		—		—		—			—
Balance at June 30, 2020	$	49		$	299	$	—	$	—	$	9		$	357

The following table illustrates the changes in the allowance for credit losses by major security type of the investments classified as held-to-maturity for the six months ended June 30, 2020.

	States and Political Subdivisions		Corporate Bonds		U.S. Agency-Based Mortgage-Backed Securities		U.S. Treasury Securities and Obligations of U.S. Government Agencies		Asset-Backed Securities			Totals
	(in thousands)
Balance at January 1, 2020	$	45	$	245	$	—	$	—	$	11		$	301
Provision for credit loss expense (benefit)		4		54		—		—		(2	)		56
Allowance for securities purchased with credit deterioration		—		—		—		—		—			—
Securities charged off		—		—		—		—		—			—
Recoveries		—		—		—		—		—			—
Balance at June 30, 2020	$	49	$	299	$	—	$	—	$	9		$	357

Schedule of Amortized Cost Held-to-Maturity Securities Aggregated By Credit Quality Indicator

The table below presents the amortized cost of held-to-maturity securities aggregated by credit quality indicator as of June 30, 2020.

	States and Political Subdivisions		Corporate Bonds		U.S. Agency-Based Mortgage-Backed Securities		U.S. Treasury Securities and Obligations of U.S. Government Agencies		Asset-Backed Securities		Totals
	Amortized cost
	(in thousands)
AAA/AA/A ratings	$	467,104	$	31,595	$	9,227	$	13,710	$	135	$	521,771
Baa/BBB ratings		2,434		52,284		—		—		18		54,736
B ratings		—		—		—		—		41		41
Total	$	469,538	$	83,879	$	9,227	$	13,710	$	194	$	576,548

Available-for-Sale Securities [Member]

Summary of Carrying Amount and Fair Value of Investments in Fixed Maturity Securities, by Contractual Maturity

A summary of the amortized cost and fair value of investments in fixed maturity securities, classified as available-for-sale, by contractual maturity, is as follows:

	June 30, 2020				December 31, 2019
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
	(in thousands)
Maturity:
Within one year	$	65,386	$	66,197	$	27,160	$	27,194
After one year through five years		89,127		93,818		144,142		146,469
After five years through ten years		45,235		49,460		47,175		49,419
After ten years		163,788		177,609		177,722		188,597
U.S. agency-based mortgage-backed securities		28,581		29,156		29,499		29,467
Totals	$	392,117	$	416,240	$	425,698	$	441,146

Loss Reserves (Tables)

6 Months Ended

Jun. 30, 2020

Insurance [Abstract]

Liability for Unpaid Loss and Loss Adjustment Expenses, Net of Related Amounts Recoverable from Reinsurers

	Six Months Ended June 30,
	2020			2019
	(in thousands)
Balance, beginning of period	$	772,887		$	798,409
Less amounts recoverable from reinsurers on unpaid loss and loss adjustment expenses		95,343			107,216
Net balance, beginning of period		677,544			691,193
Add incurred related to:
Current accident year		112,342			121,727
Prior accident years		(31,165	)		(23,245	)
Total incurred		81,177			98,482
Less paid related to:
Current accident year		13,629			15,926
Prior accident years		78,303			77,362
Total paid		91,932			93,288
Net balance, end of period		666,789			696,387
Add amounts recoverable from reinsurers on unpaid loss and loss adjustment expenses		101,978			98,659
Balance, end of period	$	768,767		$	795,046

Change in Allowance for Credit Losses on Amounts Recoverable from Reinsurers

The table below presents the change in the allowance for credit losses on amounts recoverable from reinsurers for the three and six months ended June 30, 2020.

	Three Months Ended June 30,			Six Months Ended June 30,
	2020			2020
	(in thousands)
Balance, beginning of period	$	449		$	444
Provision for credit loss benefit		(61	)		(56	)
Balance, end of period	$	388		$	388

Comprehensive Income and Accumulated Other Comprehensive Income (Tables)

6 Months Ended

Jun. 30, 2020

Equity [Abstract]

Schedule of Changes in Accumulated Other Comprehensive Income (AOCI)

The following table illustrates the changes in the balance of each component of accumulated other comprehensive income for each period presented in the interim financial statements.

	Three Months Ended June 30,						Six Months Ended June 30,
	2020			2019			2020			2019
	(in thousands)
Balance, beginning of period	$	13,695		$	4,962		$	12,211		$	(832	)
Other comprehensive income before reclassification		5,588			5,001			7,373			10,889
Amounts reclassified from accumulated other comprehensive income		(105	)		(21	)		(406	)		83
Change in deferred tax valuation allowance		—			198			—			—
Net current period other comprehensive income		5,483			5,178			6,967			10,972
Balance, end of period	$	19,178		$	10,140		$	19,178		$	10,140

Reclassification Out of Accumulated Other Comprehensive Income

The effects of reclassifications out of accumulated other comprehensive income by the respective line items of net income are presented in the following table.

Component of Accumulated Other	Three Months Ended						Six Months Ended						Affected line item in the
Comprehensive Income	June 30,						June 30,						statement of income
	2020			2019			2020			2019
	(in thousands)
Unrealized gains (losses) on available-for-sale securities	$	133		$	26		$	514		$	(105	)	Net realized gains (losses) on investments
		133			26			514			(105	)	Income before income taxes
		(28	)		(5	)		(108	)		22		Income tax expense
	$	105		$	21		$	406		$	(83	)	Net income

Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2020

Fair Value Disclosures [Abstract]

Schedule of Assets Measured at Fair Value on Recurring Basis

At June 30, 2020, assets measured at fair value on a recurring basis are summarized below:

	June 30, 2020
	Level 1 Inputs		Level 2 Inputs		Level 3 Inputs		Total Fair Value
	(in thousands)
Financial instruments carried at fair value, classified as a part of:
Securities available-for-sale—fixed maturity:
States and political subdivisions	$	—	$	244,682	$	—	$	244,682
Corporate bonds		—		109,377		—		109,377
U.S. agency-based mortgage-backed securities		—		29,156		—		29,156
U.S. Treasury securities		33,025		—		—		33,025
Total securities available-for-sale—fixed maturity		33,025		383,215		—		416,240
Equity securities:
Domestic common stock		33,480		—		—		33,480
Total	$	66,505	$	383,215	$	—	$	449,720

At December 31, 2019, assets measured at fair value on a recurring basis are summarized below:

	December 31, 2019
	Level 1 Inputs		Level 2 Inputs		Level 3 Inputs		Total Fair Value
	(in thousands)
Financial instruments carried at fair value, classified as a part of:
Securities available-for-sale—fixed maturity:
States and political subdivisions	$	—	$	237,775	$	—	$	237,775
Corporate bonds		—		133,778		—		133,778
U.S. agency-based mortgage-backed securities		—		29,467		—		29,467
U.S. Treasury securities		40,126		—		—		40,126
Total securities available-for-sale—fixed maturity	$	40,126	$	401,020	$	—	$	441,146
Equity securities:
Domestic common stock		27,903		—		—		27,903
Total	$	68,029	$	401,020	$	—	$	469,049

Schedule of Assets Measured at Amortized Cost Net of Allowance For Credit Losses

At June 30, 2020, assets measured at amortized cost net of allowance for credit losses are summarized below:

	June 30, 2020
	Level 1 Inputs		Level 2 Inputs		Level 3 Inputs		Total Fair Value
	(in thousands)
Securities held-to-maturity—fixed maturity:
States and political subdivisions	$	—	$	498,376	$	—	$	498,376
Corporate bonds		—		86,634		—		86,634
U.S. agency-based mortgage-backed securities		—		9,947		—		9,947
U.S. Treasury securities		9,019		—		—		9,019
Obligations of U.S. government agencies		—		5,113		—		5,113
Asset-backed securities		—		192		—		192
Total held-to-maturity	$	9,019	$	600,262	$	—	$	609,281

At December 31, 2019, assets measured at amortized cost are summarized below:

	December 31, 2019
	Level 1 Inputs		Level 2 Inputs		Level 3 Inputs		Total Fair Value
	(in thousands)
Securities held-to-maturity—fixed maturity:
States and political subdivisions	$	—	$	485,647	$	—	$	485,647
Corporate bonds		—		110,925		—		110,925
U.S. agency-based mortgage-backed securities		—		11,511		—		11,511
U.S. Treasury securities		7,873		—		—		7,873
Obligations of U.S. government agencies		—		5,168		—		5,168
Asset-backed securities		—		219		—		219
Total held-to-maturity	$	7,873	$	613,470	$	—	$	621,343

Summary of Carrying Amounts and Corresponding Fair Values for Financial Instruments

The following table summarizes the carrying amounts and corresponding fair values for financial instruments:

	As of June 30, 2020				As of December 31, 2019
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
	(in thousands)
Assets:
Fixed maturity securities—held-to-maturity	$	576,191	$	609,281	$	599,421	$	621,343
Fixed maturity securities—available-for-sale		416,240		416,240		441,146		441,146
Equity securities		33,480		33,480		27,903		27,903
Short-term investments		72,849		72,849		56,548		56,548
Cash and cash equivalents		110,281		110,281		43,813		43,813

Basis of Presentation - Additional Information (Detail) - USD ($)		6 Months Ended
	Jan. 01, 2020	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Percentage of comparable consolidated amounts		95.00%	95.00%
Credit allowance for held-to-maturity fixed income securities		$ 357,000		$ 0
Credit allowance for reinsurance recoverables		388,000		0
Available-for-sale securities, credit allowance		$ 0		$ 0
Trading securities, par value per share		$ 100
Reinsurance recoverables, current credit rating period		10 years
Reinsurance treaty term to be commuted by end of current credit rating period		3 years
Other-than-temporary impairment loss, debt securities, portion recognized in earnings		$ 0
Financial assets purchased with credit deterioration, financing receivable		0
Financial assets purchased with credit deterioration, held-to-maturity debt securities		0
Financial assets purchased with credit deterioration, available-for-sale debt securities		$ 0
Threshold period for writing off balances receivable		90 days
Minimum [Member]
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Trading price of securities excluded from watch list		$ 95
Corporate Fixed Income Securities [Member] \| Maximum [Member]
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Investments maturity period using default rate		20 years
Municipal Fixed Income Securities [Member] \| Maximum [Member]
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Investments maturity period using default rate		20 years
ASU 2016-13 [Member]
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Net decrease to retained earnings, cumulative effect	$ 594,000
Credit allowance for held-to-maturity fixed income securities	243,000
Credit allowance for reinsurance recoverables	$ 351,000

Stock Options and Restricted Stock - Additional Information (Detail) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020 USD ($) shares	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) Incentive_Plan shares	Jun. 30, 2019 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of equity incentive plans \| Incentive_Plan			2
Stock options outstanding	0		0
Market value of shares \| $			$ 1,800	$ 1,400
Stock options exercised, Shares			0	5,000
Proceeds from stock option exercises \| $				$ 20
Share-based compensation expense \| $	$ 1,000	$ (100)	$ 1,800	$ 500
Restricted Stock [Member] \| Non-employee Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock issued, shares			5,269	4,890
Restricted Stock [Member] \| Executive Officers [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock issued, shares				9,000
Performance Awards [Member] \| Non-employee Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock issued, shares			23,207
Performance Awards [Member] \| Executive Officers [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock issued, shares				9,391
2005 Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options outstanding	0		0
2005 Incentive Plan [Member] \| Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock outstanding	0		0

Earnings Per Share - Calculation of Basic and Diluted Earnings Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Earnings Per Share Basic [Abstract]
Net income	$ 23,948	$ 17,890	$ 34,748	$ 37,290
Basic weighted average common shares	19,280,684	19,245,592	19,273,347	19,237,401
Basic earnings per common share	$ 1.24	$ 0.93	$ 1.80	$ 1.94
Net income	$ 23,948	$ 17,890	$ 34,748	$ 37,290
Weighted average common shares	19,280,684	19,245,592	19,273,347	19,237,401
Stock options and restricted stock	55,023	61,361	62,401	78,875
Diluted weighted average common shares	19,335,707	19,306,953	19,335,748	19,316,276
Diluted earnings per common share	$ 1.24	$ 0.93	$ 1.80	$ 1.93

Investments - Gross Unrecognized Gains and Losses and Cost or Amortized Cost, Allowance for Credit Losses, Carrying Amount and Fair Value of Investments Classified as Held-to-Maturity (Detail) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Schedule Of Held To Maturity Securities [Line Items]
Held-to-maturity, Amortized Cost, Totals	$ 576,548	$ 599,421
Held-to-Maturity, Allowance for Credit Losses	(357)	0
Held-to-Maturity, Carrying Amount	576,191	599,421
Held-to-Maturity, Gross Unrecognized Gains	33,110	22,128
Held-to-Maturity, Gross Unrecognized Losses	(20)	(206)
Held-to-Maturity, Fair Value	609,281	621,343
States and Political Subdivisions [Member]
Schedule Of Held To Maturity Securities [Line Items]
Held-to-maturity, Amortized Cost, Totals	469,538	466,270
Held-to-Maturity, Allowance for Credit Losses	(49)
Held-to-Maturity, Carrying Amount	469,489
Held-to-Maturity, Gross Unrecognized Gains	28,907	19,570
Held-to-Maturity, Gross Unrecognized Losses	(20)	(193)
Held-to-Maturity, Fair Value	498,376	485,647
Corporate Bonds [Member]
Schedule Of Held To Maturity Securities [Line Items]
Held-to-maturity, Amortized Cost, Totals	83,879	109,241
Held-to-Maturity, Allowance for Credit Losses	(299)
Held-to-Maturity, Carrying Amount	83,580
Held-to-Maturity, Gross Unrecognized Gains	3,054	1,684
Held-to-Maturity, Fair Value	86,634	110,925
U.S. Agency-Based Mortgage-Backed Securities [Member]
Schedule Of Held To Maturity Securities [Line Items]
Held-to-maturity, Amortized Cost, Totals	9,227	10,967
Held-to-Maturity, Carrying Amount	9,227
Held-to-Maturity, Gross Unrecognized Gains	720	544
Held-to-Maturity, Fair Value	9,947	11,511
U.S. Treasury Securities and Obligations of U.S. Government Agencies [Member]
Schedule Of Held To Maturity Securities [Line Items]
Held-to-maturity, Amortized Cost, Totals	13,710	12,723
Held-to-Maturity, Carrying Amount	13,710
Held-to-Maturity, Gross Unrecognized Gains	422	330
Held-to-Maturity, Gross Unrecognized Losses		(12)
Held-to-Maturity, Fair Value	14,132	13,041
Asset-Backed Securities [Member]
Schedule Of Held To Maturity Securities [Line Items]
Held-to-maturity, Amortized Cost, Totals	194	220
Held-to-Maturity, Allowance for Credit Losses	(9)
Held-to-Maturity, Carrying Amount	185
Held-to-Maturity, Gross Unrecognized Gains	7
Held-to-Maturity, Gross Unrecognized Losses		(1)
Held-to-Maturity, Fair Value	$ 192	$ 219

Investments - Gross Unrealized Gains and Losses and Cost or Amortized Cost, Allowance for Credit Losses and Fair Value of Investments Classified as Available-for-Sale (Detail) - USD ($)	Jun. 30, 2020	Dec. 31, 2019
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale, Amortized Cost	$ 392,117,000	$ 425,698,000
Available-for-sale, Gross Unrealized Gains	24,170,000	15,613,000
Available-for-sale, Gross Unrealized Losses	(47,000)	(165,000)
Available-for-sale, Fair Value	416,240,000	441,146,000
Available-for-sale, Allowance for Credit Losses	0	0
States and Political Subdivisions [Member]
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale, Amortized Cost	227,932,000	225,895,000
Available-for-sale, Gross Unrealized Gains	16,750,000	11,906,000
Available-for-sale, Gross Unrealized Losses		(26,000)
Available-for-sale, Fair Value	244,682,000	237,775,000
Corporate Bonds [Member]
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale, Amortized Cost	103,713,000	130,453,000
Available-for-sale, Gross Unrealized Gains	5,711,000	3,326,000
Available-for-sale, Gross Unrealized Losses	(47,000)	(1,000)
Available-for-sale, Fair Value	109,377,000	133,778,000
U.S. Agency-Based Mortgage-Backed Securities [Member]
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale, Amortized Cost	28,581,000	29,499,000
Available-for-sale, Gross Unrealized Gains	575,000	64,000
Available-for-sale, Gross Unrealized Losses		(96,000)
Available-for-sale, Fair Value	29,156,000	29,467,000
U.S. Treasury Securities and Obligations of U.S. Government Agencies [Member]
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale, Amortized Cost	31,891,000	39,851,000
Available-for-sale, Gross Unrealized Gains	1,134,000	317,000
Available-for-sale, Gross Unrealized Losses		(42,000)
Available-for-sale, Fair Value	$ 33,025,000	$ 40,126,000

Investments - Gross Unrealized Gains and Losses and Cost of Equity (Detail) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Schedule Of Trading Securities And Other Trading Assets [Line Items]
Equity securities, Cost	$ 33,227	$ 24,457
Equity securities, Gross Unrealized Gains	1,425	3,446
Equity securities, Gross Unrealized Losses	(1,172)
Equity securities, Fair Value	33,480	27,903
Domestic Common Stock [Member]
Schedule Of Trading Securities And Other Trading Assets [Line Items]
Equity securities, Cost	33,227	24,457
Equity securities, Gross Unrealized Gains	1,425	3,446
Equity securities, Gross Unrealized Losses	(1,172)
Equity securities, Fair Value	$ 33,480	$ 27,903

Investments - Summary of Carrying Amounts and Fair Value of Investments in Fixed Maturity Securities, Classified as Held-to-Maturity (Detail) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Schedule Of Held To Maturity Securities [Line Items]
Within one year, Carrying Amount	$ 59,898	$ 49,967
After one year through five years, Carrying Amount	195,398	198,025
After five years through ten years, Carrying Amount	80,484	110,460
After ten years, Carrying Amount	230,999	229,782
Held-to-maturity, Carrying Amount, Totals	576,191	599,421
Within one year, Fair Value	60,504	50,348
After one year through five years, Fair Value	204,082	202,109
After five years through ten years, Fair Value	84,789	113,877
After ten years, Fair Value	249,767	243,279
Held-to-maturity, Fair Value, Totals	609,281	621,343
U.S. Agency-Based Mortgage-Backed Securities [Member]
Schedule Of Held To Maturity Securities [Line Items]
Without single maturity, Carrying Amount	9,227	10,967
Held-to-maturity, Carrying Amount, Totals	9,227
Without single maturity, Fair Value	9,947	11,511
Held-to-maturity, Fair Value, Totals	9,947	11,511
Asset-Backed Securities [Member]
Schedule Of Held To Maturity Securities [Line Items]
Without single maturity, Carrying Amount	185	220
Held-to-maturity, Carrying Amount, Totals	185
Without single maturity, Fair Value	192	219
Held-to-maturity, Fair Value, Totals	$ 192	$ 219

Investments - Summary of Amortized Cost and Fair Value of Investments in Fixed Maturity Securities, Classified as Available-for-Sale (Detail) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Schedule Of Available For Sale Securities [Line Items]
Within one year, Amortized Cost	$ 65,386	$ 27,160
After one year through five years, Amortized Cost	89,127	144,142
After five years through ten years, Amortized Cost	45,235	47,175
After ten years, Amortized Cost	163,788	177,722
Available-for-sale, Amortized Cost	392,117	425,698
Within one year, Fair Value	66,197	27,194
After one year through five years, Fair Value	93,818	146,469
After five years through ten years, Fair Value	49,460	49,419
After ten years, Fair Value	177,609	188,597
Available-for-sale, Fair Value	416,240	441,146
U.S. Agency-Based Mortgage-Backed Securities [Member]
Schedule Of Available For Sale Securities [Line Items]
Without single maturity date, Amortized Cost	28,581	29,499
Available-for-sale, Amortized Cost	28,581	29,499
Without single maturity date, Fair value	29,156	29,467
Available-for-sale, Fair Value	$ 29,156	$ 29,467

Investments - Investment Securities Continuous Unrealized Loss Position (Detail) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Marketable Securities [Line Items]
Held-to-Maturity, Fair Value of Investments with Unrealized Losses, Less Than 12 Months		$ 21,074
Held-to-Maturity, Gross Unrealized Losses, Less Than 12 Months		193
Held-to-Maturity, Fair Value of Investments with Unrealized Losses, 12 Months or Greater		3,311
Held-to-Maturity, Gross Unrealized Losses, 12 Months or Greater		13
Held-to-Maturity, Fair Value of Investments with Unrealized Losses, Total		24,385
Held-to-Maturity, Gross Unrealized Losses, Total	$ 20	206
Available-for Sale, Fair value of Investments with Unrealized Losses, Less Than 12 Months	3,506	23,573
Available-for Sale, Gross Unrealized Losses, Less Than 12 Months	47	122
Available-for Sale, Fair Value of Investments with Unrealized Losses, 12 Months or Greater		18,220
Available-for Sale, Gross Unrealized Losses, 12 Months or Greater		43
Available-for Sale, Fair Value of Investments with Unrealized Losses, Total	3,506	41,793
Available-for Sale, Gross Unrealized Losses, Total	47	165
Fair Value of Investments with Unrealized Losses, Less Than 12 months		44,647
Gross Unrealized Loss, Less Than 12 Months		315
Fair Value of Investments with Unrealized Losses, 12 Months or Greater		21,531
Gross Unrealized Losses, 12 Months or Greater		56
Fair Value of Investments with Unrealized Losses, Total		66,178
Gross Unrealized Losses, Total		371
Corporate Bonds [Member]
Marketable Securities [Line Items]
Available-for Sale, Fair value of Investments with Unrealized Losses, Less Than 12 Months	3,506	6,426
Available-for Sale, Gross Unrealized Losses, Less Than 12 Months	47	1
Available-for Sale, Fair Value of Investments with Unrealized Losses, Total	3,506	6,426
Available-for Sale, Gross Unrealized Losses, Total	47	1
States and Political Subdivisions [Member]
Marketable Securities [Line Items]
Held-to-Maturity, Fair Value of Investments with Unrealized Losses, Less Than 12 Months		21,074
Held-to-Maturity, Gross Unrealized Losses, Less Than 12 Months		193
Held-to-Maturity, Fair Value of Investments with Unrealized Losses, Total		21,074
Held-to-Maturity, Gross Unrealized Losses, Total	$ 20	193
Available-for Sale, Fair value of Investments with Unrealized Losses, Less Than 12 Months		4,140
Available-for Sale, Gross Unrealized Losses, Less Than 12 Months		26
Available-for Sale, Fair Value of Investments with Unrealized Losses, Total		4,140
Available-for Sale, Gross Unrealized Losses, Total		26
U.S. Treasury Securities and Obligations of U.S. Government Agencies [Member]
Marketable Securities [Line Items]
Held-to-Maturity, Fair Value of Investments with Unrealized Losses, 12 Months or Greater		3,243
Held-to-Maturity, Gross Unrealized Losses, 12 Months or Greater		12
Held-to-Maturity, Fair Value of Investments with Unrealized Losses, Total		3,243
Held-to-Maturity, Gross Unrealized Losses, Total		12
Available-for Sale, Fair Value of Investments with Unrealized Losses, 12 Months or Greater		17,068
Available-for Sale, Gross Unrealized Losses, 12 Months or Greater		42
Available-for Sale, Fair Value of Investments with Unrealized Losses, Total		17,068
Available-for Sale, Gross Unrealized Losses, Total		42
Asset-Backed Securities [Member]
Marketable Securities [Line Items]
Held-to-Maturity, Fair Value of Investments with Unrealized Losses, 12 Months or Greater		68
Held-to-Maturity, Gross Unrealized Losses, 12 Months or Greater		1
Held-to-Maturity, Fair Value of Investments with Unrealized Losses, Total		68
Held-to-Maturity, Gross Unrealized Losses, Total		1
U.S. Agency-Based Mortgage-Backed Securities [Member]
Marketable Securities [Line Items]
Available-for Sale, Fair value of Investments with Unrealized Losses, Less Than 12 Months		13,007
Available-for Sale, Gross Unrealized Losses, Less Than 12 Months		95
Available-for Sale, Fair Value of Investments with Unrealized Losses, 12 Months or Greater		1,152
Available-for Sale, Gross Unrealized Losses, 12 Months or Greater		1
Available-for Sale, Fair Value of Investments with Unrealized Losses, Total		14,159
Available-for Sale, Gross Unrealized Losses, Total		$ 96

Investments - Additional Information (Detail)	3 Months Ended		6 Months Ended
Investments - Additional Information (Detail)	Jun. 30, 2020 USD ($) Security	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) Security	Jun. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Marketable Securities [Line Items]
Individual fixed maturity held in unrealized loss position \| Security	2		2
Individual fixed maturity held in unrealized loss position longer than 12 months \| Security	0		0
Number of fixed maturity securities, allowance for credit loss \| Security	390		390
Fixed maturity securities, allowance for credit loss	$ 357,000		$ 357,000		$ 0
Fixed maturity securities, available-for-sale, allowance for credit losses	0		0		$ 0
Net realized gains (losses)	200,000	$ (100,000)	1,200,000
Net unrealized gains (losses) on equity securities	5,570,000	$ 642,000	(3,193,000)	$ 2,800,000
Corporate Bonds [Member]
Marketable Securities [Line Items]
Fixed maturity securities, allowance for credit loss	$ 299,000		$ 299,000
Number of majority securities \| Security	32		32
States and Political Subdivisions [Member]
Marketable Securities [Line Items]
Fixed maturity securities, allowance for credit loss	$ 49,000		$ 49,000
Number of majority securities \| Security	355		355
Corporate Fixed Income Securities [Member] \| Maximum [Member]
Marketable Securities [Line Items]
Investments maturity period using default rate			20 years

Investments - Changes in Allowance for Credit Losses by Major Security Type of Investments Classified as Held-to-Maturity (Detail) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2020
Schedule Of Held To Maturity Securities [Line Items]
Balance	$ 275	$ 301
Provision for credit loss expense (benefit)	82	56
Balance	357	357
States and Political Subdivisions [Member]
Schedule Of Held To Maturity Securities [Line Items]
Balance	50	45
Provision for credit loss expense (benefit)	(1)	4
Balance	49	49
Corporate Bonds [Member]
Schedule Of Held To Maturity Securities [Line Items]
Balance	215	245
Provision for credit loss expense (benefit)	84	54
Balance	299	299
Asset-Backed Securities [Member]
Schedule Of Held To Maturity Securities [Line Items]
Balance	10	11
Provision for credit loss expense (benefit)	(1)	(2)
Balance	$ 9	$ 9

Investments - Schedule of Amortized Cost Held-to-Maturity Securities Aggregated By Credit Quality Indicator (Detail) $ in Thousands	Jun. 30, 2020 USD ($)
Debt Securities Held To Maturity Credit Quality Indicator [Line Items]
Amortized cost	$ 576,548
AAA/AA/A Ratings [Member]
Debt Securities Held To Maturity Credit Quality Indicator [Line Items]
Amortized cost	521,771
Baa/BBB Ratings [Member]
Debt Securities Held To Maturity Credit Quality Indicator [Line Items]
Amortized cost	54,736
B Ratings [Member]
Debt Securities Held To Maturity Credit Quality Indicator [Line Items]
Amortized cost	41
States and Political Subdivisions [Member]
Debt Securities Held To Maturity Credit Quality Indicator [Line Items]
Amortized cost	469,538
States and Political Subdivisions [Member] \| AAA/AA/A Ratings [Member]
Debt Securities Held To Maturity Credit Quality Indicator [Line Items]
Amortized cost	467,104
States and Political Subdivisions [Member] \| Baa/BBB Ratings [Member]
Debt Securities Held To Maturity Credit Quality Indicator [Line Items]
Amortized cost	2,434
Corporate Bonds [Member]
Debt Securities Held To Maturity Credit Quality Indicator [Line Items]
Amortized cost	83,879
Corporate Bonds [Member] \| AAA/AA/A Ratings [Member]
Debt Securities Held To Maturity Credit Quality Indicator [Line Items]
Amortized cost	31,595
Corporate Bonds [Member] \| Baa/BBB Ratings [Member]
Debt Securities Held To Maturity Credit Quality Indicator [Line Items]
Amortized cost	52,284
U.S. Agency-Based Mortgage-Backed Securities [Member]
Debt Securities Held To Maturity Credit Quality Indicator [Line Items]
Amortized cost	9,227
U.S. Agency-Based Mortgage-Backed Securities [Member] \| AAA/AA/A Ratings [Member]
Debt Securities Held To Maturity Credit Quality Indicator [Line Items]
Amortized cost	9,227
U.S. Treasury Securities and Obligations of U.S. Government Agencies [Member]
Debt Securities Held To Maturity Credit Quality Indicator [Line Items]
Amortized cost	13,710
U.S. Treasury Securities and Obligations of U.S. Government Agencies [Member] \| AAA/AA/A Ratings [Member]
Debt Securities Held To Maturity Credit Quality Indicator [Line Items]
Amortized cost	13,710
Asset-Backed Securities [Member]
Debt Securities Held To Maturity Credit Quality Indicator [Line Items]
Amortized cost	194
Asset-Backed Securities [Member] \| AAA/AA/A Ratings [Member]
Debt Securities Held To Maturity Credit Quality Indicator [Line Items]
Amortized cost	135
Asset-Backed Securities [Member] \| Baa/BBB Ratings [Member]
Debt Securities Held To Maturity Credit Quality Indicator [Line Items]
Amortized cost	18
Asset-Backed Securities [Member] \| B Ratings [Member]
Debt Securities Held To Maturity Credit Quality Indicator [Line Items]
Amortized cost	$ 41

Income Taxes - Additional Information (Detail) - USD ($)	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Income Tax Disclosure [Abstract]
Valuation allowance	$ 1,900,000	$ 200,000
Uncertain tax positions recognized	$ 0	$ 0

Loss Reserves - Liability for Unpaid Loss and Loss Adjustment Expenses, Net of Related Amounts Recoverable from Reinsurers (Detail) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Roll Forward In Liability For Unpaid Claims And Claims Adjustment Expense [Abstract]
Balance, beginning of period	$ 772,887	$ 798,409
Less amounts recoverable from reinsurers on unpaid loss and loss adjustment expenses	95,343	107,216
Net balance, beginning of period	677,544	691,193
Add incurred related to:
Current accident year	112,342	121,727
Prior accident years	(31,165)	(23,245)
Total incurred	81,177	98,482
Less paid related to:
Current accident year	13,629	15,926
Prior accident years	78,303	77,362
Total paid	91,932	93,288
Net balance, end of period	666,789	696,387
Add amounts recoverable from reinsurers on unpaid loss and loss adjustment expenses	101,978	98,659
Balance, end of period	$ 768,767	$ 795,046

Loss Reserves - Additional Information (Detail) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Insurance [Abstract]
Loss and LAE Related to Prior Periods	$ 31,165	$ 23,245

Loss Reserves - Change in Allowance for Credit Losses on Amounts Recoverable from Reinsurers (Detail) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2020
Insurance [Abstract]
Balance, beginning of period	$ 449	$ 444
Provision for credit loss benefit	(61)	(56)
Balance, end of period	$ 388	$ 388

Comprehensive Income and Accumulated Other Comprehensive Income - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Accumulated Other Comprehensive Income Loss Net Of Tax [Abstract]
Comprehensive income	$ 29,431	$ 23,068	$ 41,715	$ 48,262
Comprehensive income tax rate			21.00%	21.00%

Comprehensive Income and Accumulated Other Comprehensive Income - Schedule of Changes in Accumulated Other Comprehensive Income (AOCI) (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	$ 436,956	$ 430,405	$ 430,215	$ 409,762
Other comprehensive income before reclassification	5,588	5,001	7,373	10,889
Amounts reclassified from accumulated other comprehensive income	(105)	(21)	(406)	83
Change in deferred tax valuation allowance		198
Net current period other comprehensive income	5,483	5,178	6,967	10,972
Ending Balance	462,796	449,443	462,796	449,443
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	13,695	4,962	12,211	(832)
Ending Balance	$ 19,178	$ 10,140	$ 19,178	$ 10,140

Comprehensive Income and Accumulated Other Comprehensive Income - Reclassification Out of Accumulated Other Comprehensive Income (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Net realized gains (losses) on investments	$ 163	$ (82)	$ 1,155	$ (23)
Income before income taxes	29,391	22,169	42,632	45,978
Income tax expense	(5,443)	(4,279)	(7,884)	(8,688)
Net income	23,948	17,890	34,748	37,290
Unrealized Gains (losses) on Available-for-Sale Securities [Member] \| Reclassification Out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Net realized gains (losses) on investments	133	26	514	(105)
Income before income taxes	133	26	514	(105)
Income tax expense	(28)	(5)	(108)	22
Net income	$ 105	$ 21	$ 406	$ (83)

Fair Value Measurements - Schedule of Assets Measured at Fair Value on Recurring Basis (Detail) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available-for-sale—fixed maturity, Fair Value	$ 416,240	$ 441,146
Equity securities, Fair Value	33,480	27,903
Fair Value, Measurements, Recurring [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available-for-sale—fixed maturity, Fair Value	416,240	441,146
Total	449,720	469,049
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available-for-sale—fixed maturity, Fair Value	33,025	40,126
Total	66,505	68,029
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available-for-sale—fixed maturity, Fair Value	383,215	401,020
Total	383,215	401,020
Fair Value, Measurements, Recurring [Member] \| States and Political Subdivisions [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available-for-sale—fixed maturity, Fair Value	244,682	237,775
Fair Value, Measurements, Recurring [Member] \| States and Political Subdivisions [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available-for-sale—fixed maturity, Fair Value	244,682	237,775
Fair Value, Measurements, Recurring [Member] \| Corporate Bonds [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available-for-sale—fixed maturity, Fair Value	109,377	133,778
Fair Value, Measurements, Recurring [Member] \| Corporate Bonds [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available-for-sale—fixed maturity, Fair Value	109,377	133,778
Fair Value, Measurements, Recurring [Member] \| U.S. Agency-Based Mortgage-Backed Securities [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available-for-sale—fixed maturity, Fair Value	29,156	29,467
Fair Value, Measurements, Recurring [Member] \| U.S. Agency-Based Mortgage-Backed Securities [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available-for-sale—fixed maturity, Fair Value	29,156	29,467
Fair Value, Measurements, Recurring [Member] \| U.S. Treasury Securities [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available-for-sale—fixed maturity, Fair Value	33,025	40,126
Fair Value, Measurements, Recurring [Member] \| U.S. Treasury Securities [Member] \| Fair Value, Inputs, Level 1 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available-for-sale—fixed maturity, Fair Value	33,025	40,126
Fair Value, Measurements, Recurring [Member] \| Common Stock [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Equity securities, Fair Value	33,480	27,903
Fair Value, Measurements, Recurring [Member] \| Common Stock [Member] \| Fair Value, Inputs, Level 1 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Equity securities, Fair Value	$ 33,480	$ 27,903

Fair Value Measurements - Schedule of Assets Measured at Amortized Cost Net of Allowance For Credit Losses (Detail) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities held-to-maturity-fixed maturity, Fair Value	$ 609,281	$ 621,343
States and Political Subdivisions [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities held-to-maturity-fixed maturity, Fair Value	498,376	485,647
Corporate Bonds [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities held-to-maturity-fixed maturity, Fair Value	86,634	110,925
U.S. Agency-Based Mortgage-Backed Securities [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities held-to-maturity-fixed maturity, Fair Value	9,947	11,511
U.S. Treasury Securities [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities held-to-maturity-fixed maturity, Fair Value	9,019	7,873
Obligations of U.S. Government Agencies [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities held-to-maturity-fixed maturity, Fair Value	5,113	5,168
Asset-Backed Securities [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities held-to-maturity-fixed maturity, Fair Value	192	219
Fair Value, Inputs, Level 1 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities held-to-maturity-fixed maturity, Fair Value	9,019	7,873
Fair Value, Inputs, Level 1 [Member] \| U.S. Treasury Securities [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities held-to-maturity-fixed maturity, Fair Value	9,019	7,873
Fair Value, Inputs, Level 2 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities held-to-maturity-fixed maturity, Fair Value	600,262	613,470
Fair Value, Inputs, Level 2 [Member] \| States and Political Subdivisions [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities held-to-maturity-fixed maturity, Fair Value	498,376	485,647
Fair Value, Inputs, Level 2 [Member] \| Corporate Bonds [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities held-to-maturity-fixed maturity, Fair Value	86,634	110,925
Fair Value, Inputs, Level 2 [Member] \| U.S. Agency-Based Mortgage-Backed Securities [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities held-to-maturity-fixed maturity, Fair Value	9,947	11,511
Fair Value, Inputs, Level 2 [Member] \| Obligations of U.S. Government Agencies [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities held-to-maturity-fixed maturity, Fair Value	5,113	5,168
Fair Value, Inputs, Level 2 [Member] \| Asset-Backed Securities [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities held-to-maturity-fixed maturity, Fair Value	$ 192	$ 219

Fair Value Measurements - Summary of Carrying Amounts and Corresponding Fair Values for Financial Instruments (Detail) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturity securities—held-to-maturity	$ 609,281	$ 621,343
Fixed maturity securities—available-for-sale	416,240	441,146
Equity securities	33,480	27,903
Short-term investments	72,849	56,548
Carrying Amount [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturity securities—held-to-maturity	576,191	599,421
Fixed maturity securities—available-for-sale	416,240	441,146
Equity securities	33,480	27,903
Short-term investments	72,849	56,548
Cash and cash equivalents	110,281	43,813
Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturity securities—held-to-maturity	609,281	621,343
Fixed maturity securities—available-for-sale	416,240	441,146
Equity securities	33,480	27,903
Short-term investments	72,849	56,548
Cash and cash equivalents	$ 110,281	$ 43,813

Treasury Stock - Additional Information (Detail) - USD ($)	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Oct. 31, 2016
Equity [Abstract]
Share repurchase program, new limit amount			$ 25,000,000.0
Shares repurchased under the program	0	0

Subsequent Events - Additional Information (Detail) - Subsequent Event [Member] - Dividend Declared [Member]	Jul. 27, 2020 $ / shares
Subsequent Event [Line Items]
Date of dividend declared	Jul. 27, 2020
Cash dividend per share	$ 0.27
Date of payment for dividend	Sep. 25, 2020
Date of record for dividend payment	Sep. 11, 2020