Kinsale Capital (KNSL) 10-Q 28 Oct 21 2021 Q3 Quarterly report Financial data

Document and Entity Information

Document and Entity Information Document - shares	9 Months Ended
	Sep. 30, 2021	Oct. 22, 2021
Document and Entity Information [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Sep. 30, 2021
Entity Registrant Name	KINSALE CAPITAL GROUP, INC.
Entity File Number	001-37848
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	98-0664337
Entity Address, Address Line One	2035 Maywill Street
Entity Address, Address Line Two	Suite 100
Entity Address, City or Town	Richmond
Entity Address, State or Province	VA
Entity Address, Postal Zip Code	23230
Entity Current Reporting Status	Yes
City Area Code	804
Local Phone Number	289-1300
Title of 12(b) Security	Common Stock, par value $0.01 per share
Trading Symbol	KNSL
Security Exchange Name	NASDAQ
Entity Filer Category	Large Accelerated Filer
Entity Emerging Growth Company	false
Entity Small Business	false
Entity Interactive Data Current	Yes
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		22,818,845
Entity Central Index Key	0001669162
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q3
Amendment Flag	false

Consolidated Balance Sheets (Un

Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Assets
Fixed-maturity securities, available for sale, at fair value (amortized cost: $1,313,284 – 2021; $1,031,817 – 2020)	$ 1,342,873	$ 1,081,800
Equity securities, at fair value (cost: $107,244 – 2021; $98,758 – 2020)	151,792	129,662
Total investments	1,494,665	1,211,462
Cash and cash equivalents	90,012	77,093
Investment income due and accrued	7,276	6,637
Premiums receivable, net	63,709	48,641
Reinsurance recoverables	112,026	93,215
Ceded unearned premiums	32,783	24,265
Deferred policy acquisition costs, net of ceding commissions	40,273	31,912
Intangible assets	3,538	3,538
Deferred Income Tax Assets, Net	392	0
Other assets	54,221	50,133
Total assets	1,898,895	1,546,896
Liabilities
Reserves for unpaid losses and loss adjustment expenses	814,856	636,013
Unearned premiums	334,620	260,986
Payable to reinsurers	15,097	12,672
Accounts payable and accrued expenses	16,725	13,651
Credit facility	42,664	42,570
Deferred income tax liability, net	0	4,648
Other liabilities	15,768	118
Total liabilities	1,239,730	970,658
Stockholders' Equity
Common stock, $0.01 par value, 400,000,000 shares authorized, 22,818,527 and 22,757,251 shares issued and outstanding at September 30, 2021 and December 31, 2020, respectively	228	228
Additional paid-in capital	293,535	291,315
Retained earnings	340,133	243,315
Accumulated other comprehensive income	25,269	41,380
Total stockholders’ equity	659,165	576,238
Total liabilities and stockholders’ equity	$ 1,898,895	$ 1,546,896

Consolidated Balance Sheet (Una

Consolidated Balance Sheet (Unaudited) (Parentheticals) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Assets [Abstract]
Fixed-maturity securities available-for-sale - amortized cost	$ 1,313,284	$ 1,031,817
Equity securities - cost	$ 107,244	$ 98,758
Stockholders' Equity
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	400,000,000	400,000,000
Common stock, shares issued (in shares)	22,818,527	22,757,251
Common stock, shares outstanding (in shares)	22,818,527	22,757,251

Consolidated Statements of Inco

Consolidated Statements of Income and Comprehensive Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenues:
Gross written premiums	$ 197,616	$ 144,777	$ 560,553	$ 402,904
Ceded written premiums	(26,939)	(22,529)	(77,825)	(54,996)
Net written premiums	170,677	122,248	482,728	347,908
Change in unearned premiums	(13,806)	(14,004)	(65,116)	(52,946)
Net earned premiums	156,871	108,244	417,612	294,962
Net investment income	8,095	7,008	22,466	19,613
Change in the fair value of equity securities	(1,012)	6,031	13,644	3,709
Net realized investment gains	895	647	2,397	1,676
Other income	35	571	58	594
Total revenues	164,884	122,501	456,177	320,554
Expenses:
Losses and loss adjustment expenses	87,352	82,431	236,727	194,468
Underwriting, acquisition and insurance expenses	31,465	22,927	89,490	67,471
Other expenses	388	1,022	1,234	1,022
Total expenses	119,205	106,380	327,451	262,961
Income before income taxes	45,679	16,121	128,726	57,593
Total income tax expense	9,054	1,231	24,387	7,355
Net income	36,625	14,890	104,339	50,238
Other comprehensive income (loss):
Change in net unrealized gains on available-for-sale investments, net of taxes	(6,072)	6,554	(16,111)	24,339
Total comprehensive income	$ 30,553	$ 21,444	$ 88,228	$ 74,577
Earnings per share:
Basic	$ 1.61	$ 0.66	$ 4.60	$ 2.26
Diluted	$ 1.59	$ 0.65	$ 4.53	$ 2.21
Weighted average shares outstanding:
Basic	22,714	22,398	22,681	22,220
Diluted	23,064	22,928	23,057	22,775

Consolidated Statements of Chan

Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]
Balance, shares at Dec. 31, 2019	22,206,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation (shares)	48,000
Balance, shares at Mar. 31, 2020	22,254,000
Balance at Dec. 31, 2019	$ 405,880	$ 222	$ 229,229	$ 162,911	$ 13,518
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Adoption of new accounting standard for credit losses, net | Accounting Standards Update 2016-13 [Member]	78			78
Issuance of stock under stock-based compensation plan	702	1	701
Stock-based compensation expense	812		812
Dividends declared	(2,001)			(2,001)
Other comprehensive income (loss), net of tax	(9,223)				(9,223)
Net income	5,086			5,086
Balance at Mar. 31, 2020	$ 401,334	223	230,742	166,074	4,295
Balance, shares at Dec. 31, 2019	22,206,000
Balance, shares at Sep. 30, 2020	22,662,000
Balance at Dec. 31, 2019	$ 405,880	222	229,229	162,911	13,518
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Other comprehensive income (loss), net of tax	24,339
Net income	50,238
Balance at Sep. 30, 2020	$ 534,131	227	288,868	207,179	37,857
Balance, shares at Mar. 31, 2020	22,254,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation (shares)	61,000
Restricted shares withheld for taxes (shares)	(12,000)
Balance, shares at Jun. 30, 2020	22,303,000
Balance at Mar. 31, 2020	$ 401,334	223	230,742	166,074	4,295
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of stock under stock-based compensation plan	395	0	395
Stock-based compensation expense	931		931
Restricted shares withheld for taxes	(1,803)		(1,803)
Dividends declared	(2,013)			(2,013)
Other comprehensive income (loss), net of tax	27,008				27,008
Net income	30,262			30,262
Balance at Jun. 30, 2020	$ 456,114	223	230,265	194,323	31,303
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock, shares	311,000
Stock-based compensation (shares)	48,000
Balance, shares at Sep. 30, 2020	22,662,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock, net of transaction costs	$ 56,701	3	56,698
Issuance of stock under stock-based compensation plan	954	1	953
Stock-based compensation expense	952		952
Dividends declared	(2,034)			(2,034)
Other comprehensive income (loss), net of tax	6,554				6,554
Net income	14,890			14,890
Balance at Sep. 30, 2020	$ 534,131	227	288,868	207,179	37,857
Balance, shares at Dec. 31, 2020	22,757,251
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation (shares)	55,000
Balance, shares at Mar. 31, 2021	22,812,000
Balance at Dec. 31, 2020	$ 576,238	228	291,315	243,315	41,380
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of stock under stock-based compensation plan	339	0	339
Stock-based compensation expense	1,036		1,036
Dividends declared	(2,504)			(2,504)
Other comprehensive income (loss), net of tax	(19,622)				(19,622)
Net income	32,079			32,079
Balance at Mar. 31, 2021	$ 587,566	228	292,690	272,890	21,758
Balance, shares at Dec. 31, 2020	22,757,251
Balance, shares at Sep. 30, 2021	22,818,527
Balance at Dec. 31, 2020	$ 576,238	228	291,315	243,315	41,380
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Other comprehensive income (loss), net of tax	(16,111)
Net income	104,339
Balance at Sep. 30, 2021	$ 659,165	228	293,535	340,133	25,269
Balance, shares at Mar. 31, 2021	22,812,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation (shares)	7,000
Restricted shares withheld for taxes (shares)	(13,000)
Balance, shares at Jun. 30, 2021	22,806,000
Balance at Mar. 31, 2021	$ 587,566	228	292,690	272,890	21,758
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of stock under stock-based compensation plan	163	0	163
Stock-based compensation expense	1,279		1,279
Restricted shares withheld for taxes	(2,082)		(2,082)
Dividends declared	(2,508)			(2,508)
Other comprehensive income (loss), net of tax	9,583				9,583
Net income	35,635			35,635
Balance at Jun. 30, 2021	$ 629,636	228	292,050	306,017	31,341
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation (shares)	13,000
Balance, shares at Sep. 30, 2021	22,818,527
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of stock under stock-based compensation plan	$ 220	0	220
Stock-based compensation expense	1,265		1,265
Dividends declared	(2,509)			(2,509)
Other comprehensive income (loss), net of tax	(6,072)				(6,072)
Net income	36,625			36,625
Balance at Sep. 30, 2021	$ 659,165	$ 228	$ 293,535	$ 340,133	$ 25,269

Consolidated Statements of Ch_2

Consolidated Statements of Changes in Stockholders' Equity (Unaudited) (Parentheticals) - $ / shares	3 Months Ended
	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020
Statement of Stockholders' Equity [Abstract]
Dividends declared, per share	$ 0.11	$ 0.11	$ 0.11	$ 0.09	$ 0.09	$ 0.09

Condensed Consolidated Statemen

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Operating Activities
Net cash provided by operating activities	$ 301,881	$ 206,461
Investing Activities
Purchase of property and equipment	(4,770)	(29,088)
Sale of property and equipment	0	4,999
Purchases – fixed-maturity securities	(509,000)	(389,713)
Purchases - equity securities	(11,717)	(33,830)
Sales – fixed-maturity securities	102,552	79,042
Sales - equity securities	3,185	0
Maturities and calls – fixed-maturity securities	139,669	66,204
Net cash used in investing activities	(280,081)	(302,386)
Financing Activities
Proceeds from Issuance of Common Stock	0	56,701
Proceeds from credit facility	0	23,300
Payroll taxes withheld and remitted on share-based payments	(2,082)	(1,803)
Proceeds from stock options exercised	722	2,051
Dividends paid	(7,521)	(6,036)
Net cash (used in) provided by financing activities	(8,881)	74,213
Net change in cash and cash equivalents	12,919	(21,712)
Cash and cash equivalents at beginning of period	77,093	100,408
Cash and cash equivalents at end of period	$ 90,012	$ 78,696

Summary of Significant Accounti

Summary of Significant Accounting Policies	9 Months Ended
	Sep. 30, 2021
Accounting Policies [Abstract]
Summary of Significant Accounting Policies	Summary of significant accounting policies Basis of presentation The unaudited condensed consolidated financial statements and notes have been prepared in accordance with U.S. generally accepted accounting principles ("U.S. GAAP") for interim financial information and do not contain all of the information and footnotes required by U.S. GAAP for complete financial statements. As such, these unaudited condensed consolidated interim financial statements should be read in conjunction with the audited consolidated financial statements of Kinsale Capital Group, Inc. and its subsidiaries ("the Company") included in the Annual Report on Form 10-K for the year ended December 31, 2020. In the opinion of management, all adjustments necessary for a fair presentation of the condensed consolidated financial statements have been included. Such adjustments consist only of normal recurring items. All significant intercompany balances and transactions have been eliminated in consolidation. Interim results are not necessarily indicative of results of operations for the full year. Use of estimates The preparation of condensed consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the condensed consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Recently adopted accounting pronouncements Accounting Standard Update ("ASU") 2019-12, Income Taxes - Simplifying the Accounting for Income Taxes In December 2019, the Financial Accounting Standards Board ("FASB") issued updated guidance for the accounting for income taxes. The updated guidance is intended to simplify the accounting for income taxes by removing several exceptions contained in existing guidance and amending other existing guidance to simplify several other income tax accounting matters. Effective January 1, 2021, the Company adopted ASU 2019-12, which did not have a material impact on the Company's condensed consolidated financial statements. There are no prospective accounting standards which, upon their effective date, would have a material impact on the Company's condensed consolidated financial statements.

Investments

Investments	9 Months Ended
	Sep. 30, 2021
Investments [Abstract]
Investments	Investments Available-for-sale investments The following tables summarize the available-for-sale investments at September 30, 2021 and December 31, 2020: September 30, 2021 Amortized Cost Gross Unrealized Gains Gross Unrealized Losses Estimated Fair Value (in thousands) Fixed maturities: U.S. Treasury securities and obligations of U.S. government agencies $ 6,932 $ — $ (10) $ 6,922 Obligations of states, municipalities and political subdivisions 214,776 11,739 (454) 226,061 Corporate and other securities 434,489 14,101 (2,100) 446,490 Asset-backed securities 298,492 3,255 (79) 301,668 Commercial mortgage-backed securities 58,579 2,942 (81) 61,440 Residential mortgage-backed securities 300,016 2,817 (2,541) 300,292 Total fixed-maturity investments $ 1,313,284 $ 34,854 $ (5,265) $ 1,342,873 December 31, 2020 Amortized Cost Gross Unrealized Gains Gross Unrealized Losses Estimated Fair Value (in thousands) Fixed maturities: Obligations of states, municipalities and political subdivisions $ 216,181 $ 14,792 $ (67) $ 230,906 Corporate and other securities 294,854 21,840 (86) 316,608 Asset-backed securities 236,813 4,230 (382) 240,661 Commercial mortgage-backed securities 66,110 4,886 (27) 70,969 Residential mortgage-backed securities 217,859 4,938 (141) 222,656 Total fixed-maturity investments $ 1,031,817 $ 50,686 $ (703) $ 1,081,800 Available-for-sale securities in a loss position The Company regularly reviews all its available-for-sale investments with unrealized losses to assess whether the decline in the fair value is deemed to be a credit loss. The Company considers a number of factors in completing its review of credit losses, including the extent to which a security's fair value has been below cost and the financial condition of an issuer. In addition to specific issuer information, the Company also evaluates the current market and interest rate environment. Generally, a change in a security’s value caused by a change in the market or interest rate environment does not constitute a credit loss. For fixed-maturity securities, the Company also considers whether it intends to sell the security or, if it is more likely than not that it will be required to sell the security before recovery, and its ability to recover all amounts outstanding when contractually due. When assessing whether it intends to sell a fixed-maturity security or, if it is likely to be required to sell a fixed-maturity security before recovery of its amortized cost, the Company evaluates facts and circumstances including, but not limited to, decisions to reposition the investment portfolio, potential sales of investments to meet cash flow needs and potential sales of investments to capitalize on favorable pricing. For fixed-maturity securities where a decline in fair value is below the amortized cost basis and the Company intends to sell the security, or it is more likely than not that the Company will be required to sell the security before recovery of its amortized cost, an impairment is recognized in net income based on the fair value of the security at the time of assessment. For fixed-maturity securities that the Company does not intend to sell or for which it is more likely than not that the Company would not be required to sell before recovery of its amortized cost, the Company compares the estimated present value of the cash flows expected to be collected to the amortized cost of the security. The extent to which the estimated present value of the cash flows expected to be collected is less than the amortized cost of the security represents the credit-related portion of the impairment, which is recognized in net income through an allowance for credit losses. Any remaining decline in fair value represents the noncredit portion of the impairment, which is recognized in other comprehensive income. The Company reports investment income due and accrued separately from available-for-sale investments and has elected not to measure an allowance for credit losses for investment income due and accrued. Investment income due and accrued is written off through net realized gains (losses) on investments at the time the issuer of the bond defaults or is expected to default on payments. The following tables summarize gross unrealized losses and estimated fair value for available-for-sale investments by length of time that the securities have continuously been in an unrealized loss position: September 30, 2021 Less than 12 Months 12 Months or Longer Total Estimated Fair Value Gross Unrealized Losses Estimated Fair Value Gross Unrealized Losses Estimated Fair Value Gross Unrealized Losses (in thousands) Fixed maturities: U.S. Treasury securities and obligations of the U.S. government agencies $ 6,922 $ (10) $ — $ — $ 6,922 $ (10) Obligations of states, municipalities and political subdivisions 24,496 (454) — — 24,496 (454) Corporate and other securities 127,870 (1,984) 1,080 (116) 128,950 (2,100) Asset-backed securities 63,318 (58) 7,771 (21) 71,089 (79) Commercial mortgage-backed securities 8,500 (81) — — 8,500 (81) Residential mortgage-backed securities 188,418 (2,505) 1,249 (36) 189,667 (2,541) Total fixed-maturity investments $ 419,524 $ (5,092) $ 10,100 $ (173) $ 429,624 $ (5,265) At September 30, 2021, the Company held 165 fixed-maturity securities in an unrealized loss position with a total estimated fair value of $429.6 million and gross unrealized losses of $5.3 million. Of these securities, 8 were in a continuous unrealized loss position for greater than one year. As discussed above, the Company regularly reviews all fixed-maturity securities within its investment portfolio to determine whether a credit loss has occurred. Based on the Company's review as of September 30, 2021, unrealized losses were caused by interest rate changes or other market factors and were not credit-specific issues. At September 30, 2021, 80.3% of the Company’s fixed-maturity securities were rated "A-" or better and all of the Company’s fixed-maturity securities made expected coupon payments under the contractual terms of the securities. For the nine months ended September 30, 2021, the Company concluded that there were no credit losses from fixed-maturity securities with unrealized losses. December 31, 2020 Less than 12 Months 12 Months or Longer Total Estimated Fair Value Gross Unrealized Losses Estimated Fair Value Gross Unrealized Losses Estimated Fair Value Gross Unrealized Losses (in thousands) Fixed maturities: Obligations of states, municipalities and political subdivisions $ 6,412 $ (67) $ — $ — $ 6,412 $ (67) Corporate and other securities 3,829 (86) — — 3,829 (86) Asset-backed securities 57,750 (149) 23,825 (233) 81,575 (382) Commercial mortgage-backed securities 4,971 (27) — — 4,971 (27) Residential mortgage-backed securities 46,869 (129) 266 (12) 47,135 (141) Total fixed-maturity investments $ 119,831 $ (458) $ 24,091 $ (245) $ 143,922 $ (703) Contractual maturities of available-for-sale fixed-maturity securities The amortized cost and estimated fair value of available-for-sale fixed-maturity securities at September 30, 2021 are summarized, by contractual maturity, as follows: September 30, 2021 Amortized Estimated Cost Fair Value (in thousands) Due in one year or less $ 8,471 $ 8,601 Due after one year through five years 172,248 178,438 Due after five years through ten years 211,736 219,098 Due after ten years 263,742 273,336 Asset-backed securities 298,492 301,668 Commercial mortgage-backed securities 58,579 61,440 Residential mortgage-backed securities 300,016 300,292 Total fixed-maturity securities $ 1,313,284 $ 1,342,873 Expected maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties, and the lenders may have the right to put the securities back to the borrower. Net investment income The following table presents the components of net investment income for the three and nine months ended September 30, 2021 and 2020: Three Months Ended September 30, Nine Months Ended September 30, 2021 2020 2021 2020 (in thousands) Interest: Taxable bonds $ 6,471 $ 5,383 $ 18,356 $ 15,253 Tax exempt municipal bonds 874 918 2,636 2,741 Cash equivalents and short-term investments 1 — 11 261 Dividends on equity securities 979 1,100 2,801 2,554 Gross investment income 8,325 7,401 23,804 20,809 Investment expenses (230) (393) (1,338) (1,196) Net investment income $ 8,095 $ 7,008 $ 22,466 $ 19,613 Realized investment gains and losses The following table presents realized investment gains and losses for the three and nine months ended September 30, 2021 and 2020: Three Months Ended September 30, Nine Months Ended September 30, 2021 2020 2021 2020 (in thousands) Fixed-maturity securities: Realized gains $ 804 $ 719 $ 2,445 $ 1,826 Realized losses — (72) (2) (162) Net realized gains from fixed-maturity securities 804 647 2,443 1,664 Equity securities: Realized gains 97 — 97 — Realized losses (6) — (143) — Net realized gains (losses) from equity securities 91 — (46) — Realized gains from the sales of short-term investments — — — 12 Net realized investment gains $ 895 $ 647 $ 2,397 $ 1,676 Change in net unrealized gains (losses) on fixed-maturity securities For the three and nine months ended September 30, 2021, the changes in net unrealized gains (losses) for fixed-maturity securities were $(7.7) million and $(20.4) million, respectively. For the three and nine months ended September 30, 2020, the changes in net unrealized gains for fixed-maturity securities were $8.3 million and $30.8 million, respectively. Insurance – statutory deposits The Company had invested assets with a fair value of $6.7 million and $6.9 million on deposit with state regulatory authorities at September 30, 2021 and December 31, 2020, respectively. Payable for investments purchased The Company recorded a payable for investments purchased, not yet settled, of $15.6 million at September 30, 2021. The payable balance was included in the "other liabilities" line item of the consolidated balance sheet.

Fair Value Measurements

Fair Value Measurements	9 Months Ended
	Sep. 30, 2021
Fair Value Disclosures [Abstract]
Fair Value Measurements	Fair value measurements Fair value is estimated for each class of financial instrument based on the framework established in the fair value accounting guidance. Fair value is defined as the price in the principal market that would be received for an asset or paid to transfer a liability to facilitate an orderly transaction between market participants on the measurement date. Market participants are assumed to be independent, knowledgeable, able and willing to transact an exchange and not acting under duress. Fair value hierarchy disclosures are based on the quality of inputs used to measure fair value. The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1 measurements) and the lowest priority to unobservable inputs (Level 3 measurements). Adjustments to transaction prices or quoted market prices may be required in illiquid or disorderly markets in order to estimate fair value. The three levels of the fair value hierarchy are defined as follows: Level 1 - Inputs to the valuation methodology are quoted prices (unadjusted) for identical assets or liabilities traded in active markets. Level 2 - Inputs to the valuation methodology 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 and market-corroborated inputs. Level 3 - Inputs to the valuation methodology are unobservable for the asset or liability and are significant to the fair value measurement. Fair values of the Company's investment portfolio are estimated using unadjusted prices obtained by its investment accounting vendor from nationally recognized third-party pricing services, where available. Values for exchange traded funds are generally based on Level 1 inputs, which use quoted prices in active markets for identical assets. For other fixed-maturity securities and non-redeemable preferred stock, the pricing vendors use a pricing methodology involving the market approach, including pricing models which use prices and relevant market information regarding a particular security or securities with similar characteristics to establish a valuation. The estimates of fair value of these investments are included in the amounts disclosed as Level 2. For those investments where significant inputs are unobservable, the Company's investment accounting vendor obtains valuations from pricing vendors or brokers using the market approach and income approach valuation techniques and are disclosed as Level 3. Management performs several procedures to ascertain the reasonableness of investment values included in the condensed consolidated financial statements, including 1) obtaining and reviewing internal control reports from the Company's investment accounting vendor that assess fair values from third party pricing services, 2) discussing with the Company's investment accounting vendor its process for reviewing and validating pricing obtained from third party pricing services and 3) reviewing the security pricing received from the Company's investment accounting vendor and monitoring changes in unrealized gains and losses at the individual security level. The Company has evaluated the various types of securities in its investment portfolio to determine an appropriate fair value hierarchy level based upon trading activity and the observability of market inputs. The following tables present the balances of assets measured at fair value on a recurring basis as of September 30, 2021 and December 31, 2020, by level within the fair value hierarchy: September 30, 2021 Level 1 Level 2 Level 3 Total (in thousands) Assets Fixed maturities: U.S. Treasury securities and obligations of U.S. government agencies $ 6,922 $ — $ — $ 6,922 Obligations of states, municipalities and political subdivisions — 226,061 — 226,061 Corporate and other securities — 446,490 — 446,490 Asset-backed securities — 301,668 — 301,668 Commercial mortgage-backed securities — 61,440 — 61,440 Residential mortgage-backed securities — 300,292 — 300,292 Total fixed-maturity securities 6,922 1,335,951 — 1,342,873 Equity securities: Exchange traded funds 112,984 — — 112,984 Non-redeemable preferred stock — 38,808 — 38,808 Total equity securities 112,984 38,808 — 151,792 Total $ 119,906 $ 1,374,759 $ — $ 1,494,665 December 31, 2020 Level 1 Level 2 Level 3 Total (in thousands) Assets Fixed maturities: Obligations of states, municipalities and political subdivisions $ — $ 230,906 $ — $ 230,906 Corporate and other securities — 316,608 — 316,608 Asset-backed securities — 240,661 — 240,661 Commercial mortgage-backed securities — 70,969 — 70,969 Residential mortgage-backed securities — 222,656 — 222,656 Total fixed-maturity securities — 1,081,800 — 1,081,800 Equity securities: Exchange traded funds 98,050 — — 98,050 Non-redeemable preferred stock — 31,612 — 31,612 Total equity securities 98,050 31,612 — 129,662 Total $ 98,050 $ 1,113,412 $ — $ 1,211,462 There were no assets or liabilities measured at fair value on a nonrecurring basis as of September 30, 2021 or December 31, 2020. The carrying value of cash equivalents approximates its fair value at September 30, 2021 and December 31, 2020, due to the short-term maturities of these assets. In addition, the estimated fair value of the Credit Facility approximated its carrying value as of September 30, 2021 and December 31, 2020. See Note 12 for further information regarding the Credit Facility.

Deferred Policy Acquisition Cos

Deferred Policy Acquisition Costs	9 Months Ended
	Sep. 30, 2021
Deferred Policy Acquisition Costs Disclosures [Abstract]
Deferred Policy Acquisition Costs	Deferred policy acquisition costs The following table presents the amounts of policy acquisition costs deferred and amortized for the three and nine months ended September 30, 2021 and 2020: Three Months Ended September 30, Nine Months Ended September 30, 2021 2020 2021 2020 (in thousands) Balance, beginning of period $ 38,801 $ 28,942 $ 31,912 $ 23,564 Policy acquisition costs deferred: Direct commissions 28,837 21,214 81,740 58,788 Ceding commissions (8,089) (5,746) (21,283) (13,509) Other underwriting and policy acquisition costs 1,600 916 4,540 3,385 Policy acquisition costs deferred 22,348 16,384 64,997 48,664 Amortization of net policy acquisition costs (20,876) (15,033) (56,636) (41,935) Balance, end of period $ 40,273 $ 30,293 $ 40,273 $ 30,293 Amortization of net policy acquisition costs is included in the line item "Underwriting, acquisition and insurance expenses" in the accompanying consolidated statements of income and comprehensive income.

Property and Equipment

Property and Equipment	9 Months Ended
	Sep. 30, 2021
Property and Equipment [Abstract]
Property and Equipment Disclosure [Text Block]	Property and equipment, net Property and equipment are included in "other assets" in the accompanying consolidated balance sheets and consists of the following: September 30, 2021 December 31, 2020 (in thousands) Building $ 32,973 $ 31,675 Parking deck 5,072 5,072 Land 3,068 3,068 Equipment 3,054 2,770 Software 6,991 4,815 Furniture and fixtures 2,194 1,731 Land improvements 472 317 53,824 49,448 Accumulated depreciation (4,941) (3,262) Total property and equipment, net $ 48,883 $ 46,186

Underwriting, Acquisition and I

Underwriting, Acquisition and Insurance Expenses	9 Months Ended
	Sep. 30, 2021
Underwriting, Acquisition and Insurance Expenses [Abstract]
Underwriting, acquisition and insurance expenses	Underwriting, acquisition and insurance expenses Underwriting, acquisition and insurance expenses for the three and nine months ended September 30, 2021 and 2020 consist of the following: Three Months Ended September 30, Nine Months Ended September 30, 2021 2020 2021 2020 (in thousands) Underwriting, acquisition and insurance expenses incurred: Direct commissions $ 26,317 $ 18,585 $ 71,036 $ 50,068 Ceding commissions (6,902) (4,588) (18,344) (11,234) Other operating expenses 12,050 8,930 36,798 28,637 Total $ 31,465 $ 22,927 $ 89,490 $ 67,471 Other operating expenses within underwriting, acquisition and insurance expenses include salaries, bonus and employee benefits expenses of $11.6 million and $6.6 million for the three months ended September 30, 2021 and 2020, respectively. Salaries, bonuses, and employee benefit expenses were $34.9 million and $24.6 million for the nine months ended September 30, 2021 and 2020, respectively.

Stock-based Compensation

Stock-based Compensation	9 Months Ended
	Sep. 30, 2021
Share-based Payment Arrangement [Abstract]
Stock-based Compensation	Stock-based compensation On July 27, 2016, the Kinsale Capital Group, Inc. 2016 Omnibus Incentive Plan (the "2016 Incentive Plan") became effective. The 2016 Incentive Plan, which is administered by the Compensation, Nominating and Corporate Governance Committee of the Company’s Board of Directors, provides for grants of stock options, restricted stock, restricted stock units and other stock-based awards to officers, employees, directors, independent contractors and consultants. The number of shares of common stock available for issuance under the 2016 Incentive Plan may not exceed 2,073,832. The total compensation cost that has been charged against income for share-based compensation arrangements was $3.6 million and $2.7 million for the nine months ended September 30, 2021 and 2020, respectively. Restricted Stock Awards During the nine months ended September 30, 2021, the Company granted restricted stock awards under the 2016 Incentive Plan. The restricted stock awards were valued on the date of grant and will vest over a period of 1 to 4 years. The fair value of restricted stock awards was determined based on the closing trading price of the Company’s shares on the grant date or, if no shares were traded on the grant date, the last preceding date for which there was a sale of shares. Except for restrictions placed on the transferability of restricted stock, holders of unvested restricted stock have full stockholder’s rights, including voting rights and the right to receive dividends. Unvested shares of restricted stock awards and accrued dividends, if any, are forfeited upon the termination of service to or employment with the Company. A summary of restricted stock activity under the 2016 Incentive Plan for the nine months ended September 30, 2021 is as follows: For the Nine Months Ended September 30, 2021 Number of Shares Weighted Average Grant Date Fair Value per Share Non-vested outstanding at the beginning of the period 108,392 $ 97.40 Granted 35,870 $ 185.00 Vested (40,752) $ 86.77 Forfeited (6,940) $ 128.40 Non-vested outstanding at the end of the period 96,570 $ 132.19 Employees surrender shares to pay for withholding tax obligations resulting from any vesting of restricted stock awards. During the nine months ended September 30, 2021, shares withheld for taxes in connection with the vesting of restricted stock awards totaled 12,846. The weighted average grant-date fair value of the Company's restricted stock awards granted during the nine months ended September 30, 2021 and 2020 was $185.00 and $145.46, respectively. The fair value of restricted stock awards that vested during the nine months ended September 30, 2021 and 2020 was $6.8 million and $5.8 million, respectively. As of September 30, 2021, the Company had $10.4 million of total unrecognized stock-based compensation expense expected to be charged to earnings over a weighted-average period of 2.7 years. Stock Options On July 27, 2016, the Board of Directors approved, and the Company granted, 1,036,916 stock options with an exercise price equal to the initial public offering price of $16.00 per share and a weighted-average grant-date fair value of $2.71 per share. The options have a maximum contractual term of 10 years and vested in 4 equal annual installments following the date of the grant. The value of the options granted was estimated at the date of grant using the Black-Scholes pricing model using the following assumptions: Risk-free rate of return 1.26 % Dividend yield 1.25 % Expected share price volatility (1) 18.50 % Expected life in years (2) 6.3 years (1) Expected volatility was based on the Company’s competitors within the industry. (2) Expected life was calculated using the simplified method, which was an average of the contractual term of the option and its ordinary vesting period, as the Company did not have sufficient historical data for determining the expected term of our stock option awards. A summary of option activity as of September 30, 2021, and changes during the period then ended is presented below: Number of Shares Weighted-Average Exercise Price Weighted-Average Remaining Years of Contractual Term Aggregate Intrinsic Value (in thousands) Outstanding at January 1, 2021 387,738 $ 16.00 Granted — — Forfeited (934) 16.00 Exercised (45,192) 16.00 Outstanding at September 30, 2021 341,612 $ 16.00 4.8 $ 49,773 Exercisable at September 30, 2021 341,612 $ 16.00 4.8 $ 49,773

Earnings Per Share

Earnings Per Share	9 Months Ended
	Sep. 30, 2021
Earnings Per Share [Abstract]
Earnings Per Share	Earnings per share The following represents a reconciliation of the numerator and denominator of the basic and diluted earnings per share computations contained in the condensed consolidated financial statements: Three Months Ended September 30, Nine Months Ended September 30, 2021 2020 2021 2020 (in thousands, except per share data) Net income $ 36,625 $ 14,890 $ 104,339 $ 50,238 Weighted average common shares outstanding - basic 22,714 22,398 22,681 22,220 Effect of potential dilutive securities: Conversion of stock options 317 465 329 491 Conversion of restricted stock 33 65 47 64 Weighted average common shares outstanding - diluted 23,064 22,928 23,057 22,775 Earnings per common share: Basic $ 1.61 $ 0.66 $ 4.60 $ 2.26 Diluted $ 1.59 $ 0.65 $ 4.53 $ 2.21 There were no anti-dilutive stock awards for the three months ended September 30, 2021 and 2020. There were 30 thousand and 35 thousand anti-dilutive stock awards for the nine months ended September 30, 2021 and 2020, respectively.

Income Taxes

Income Taxes	9 Months Ended
	Sep. 30, 2021
Income Tax Disclosure [Abstract]
Income Taxes	Income taxes The Company uses the estimated annual effective tax rate method for calculating its tax provision in interim periods, which represents the Company's best estimate of the effective tax rate expected for the full year. The estimated annual effective tax rate typically differs from the U.S. statutory tax rate, primarily as a result of tax-exempt investment income and any discrete items recognized during the period. The Company's effective tax rates were 18.9% and 12.8% for the nine months ended September 30, 2021 and 2020, respectively. The effective tax rates were lower than the federal statutory rate of 21% due primarily to the tax benefits from stock-based compensation and from income generated by certain tax-exempt investments. During the nine months ended September 30, 2021, the level of stock options exercised was lower than the nine months ended September 30, 2020, which resulted in a higher effective tax rate.

Reserves for Unpaid Losses and

Reserves for Unpaid Losses and Loss Adjustment Expenses	9 Months Ended
	Sep. 30, 2021
Liability for Unpaid Claims and Claims Adjustment Expense, Activity in Liability [Abstract]
Reserves for Unpaid Losses and Loss Adjustment Expenses	Reserves for unpaid losses and loss adjustment expenses The following table presents a reconciliation of consolidated beginning and ending reserves for unpaid losses and loss adjustment expenses: September 30, 2021 2020 (in thousands) Gross reserves for unpaid losses and loss adjustment expenses, beginning of year $ 636,013 $ 460,058 Less: reinsurance recoverable on unpaid losses 83,730 69,792 Adoption of accounting standard for credit losses — (282) Net reserves for unpaid losses and loss adjustment expenses, beginning of year 552,283 390,548 Incurred losses and loss adjustment expenses: Current year 262,140 204,096 Prior years (25,413) (9,628) Total net losses and loss adjustment expenses incurred 236,727 194,468 Payments: Current year 12,110 10,256 Prior years 68,546 57,253 Total payments 80,656 67,509 Net reserves for unpaid losses and loss adjustment expenses, end of period 708,354 517,507 Reinsurance recoverable on unpaid losses 106,502 85,693 Gross reserves for unpaid losses and loss adjustment expenses, end of period $ 814,856 $ 603,200 During the nine months ended September 30, 2021, the reserves for unpaid losses and loss adjustment expenses held at December 31, 2020 developed favorably by $25.4 million, of which $28.9 million was attributable to the 2020 accident year. Actuarial assumptions for the 2020 accident year reflected additional uncertainty to account for potential COVID-19 related claims. However, the Company's current outlook is more favorable than in the prior year as no significant claims have been reported to date and, as a result, the Company adjusted certain assumptions in the 2021 period. In addition, reported losses have been emerging at lower levels than expected across most lines of business. This favorable development was offset in part by adverse development, mostly attributable to the 2015-2018 accident years as a result of modest adjustments in actuarial assumptions based on observable trends. Current accident year incurred losses and loss adjustment expenses for the nine months ended September 30, 2021 included $8.8 million of catastrophe losses primarily related to Hurricane Ida and winter storms Uri and Viola in Texas. During the nine months ended September 30, 2020, the reserves for unpaid losses and loss adjustment expenses held at December 31, 2019 developed favorably by $9.6 million, of which $7.8 million was attributable to the 2019 accident year. The favorable development resulted from reported losses emerging at lower levels than expected across most lines of business. Current accident year incurred losses and loss adjustment expenses for the nine months ended September 30, 2020 included $17.1 million of catastrophe losses primarily related to Hurricanes Laura and Sally and the California wildfires.

Reinsurance

Reinsurance	9 Months Ended
	Sep. 30, 2021
Reinsurance Disclosures [Abstract]
Reinsurance	Reinsurance The following table summarizes the effect of reinsurance on premiums written and earned for the three and nine months ended September 30, 2021 and 2020: Three Months Ended September 30, Nine Months Ended September 30, 2021 2020 2021 2020 (in thousands) Premiums written: Direct $ 197,616 $ 144,777 $ 560,553 $ 402,904 Assumed — — — — Ceded (26,939) (22,529) (77,825) (54,996) Net written $ 170,677 $ 122,248 $ 482,728 $ 347,908 Premiums earned: Direct $ 180,458 $ 127,301 $ 486,920 $ 343,184 Assumed — — — 21 Ceded (23,587) (19,057) (69,308) (48,243) Net earned $ 156,871 $ 108,244 $ 417,612 $ 294,962 The following table summarizes ceded losses and loss adjustment expenses for the three and nine months ended September 30, 2021 and 2020: Three Months Ended September 30, Nine Months Ended September 30, 2021 2020 2021 2020 (in thousands) Ceded incurred losses and loss adjustment expenses $ 10,640 $ 19,297 $ 34,053 $ 30,202 The following table presents reinsurance recoverables on paid and unpaid losses as of September 30, 2021 and December 31, 2020: September 30, 2021 December 31, 2020 (in thousands) Reinsurance recoverables on paid losses $ 5,524 $ 9,485 Reinsurance recoverables on unpaid losses 106,502 83,730 Reinsurance recoverables $ 112,026 $ 93,215

Credit Agreement

Credit Agreement	9 Months Ended
	Sep. 30, 2021
Debt Disclosure [Abstract]
Credit Agreement	Credit Agreement On May 28, 2019, the Company entered into a Credit Agreement (the “Credit Agreement”) that provided the Company with a $50.0 million senior unsecured revolving credit facility (the “Credit Facility”) and an uncommitted accordion feature that permits the Company to increase the commitments by an additional $30.0 million. The Credit Facility has a maturity of May 28, 2024. Borrowings under the Credit Facility were used to fund construction of the Company’s new headquarters but may also be used for working capital and general corporate purposes. Loans under the Credit Facility may be subject to varying rates of interest depending on whether the loan is a Eurodollar loan or an alternate base rate ("ABR") loan, at the Company's election. Eurodollar loans bear an interest rate per annum equal to adjusted LIBOR for the applicable interest period plus a margin of 1.75%. ABR loans bear an interest rate per annum equal to (a) the higher of the prime rate, the New York Federal Reserve Board Rate plus 0.50% or the one-month adjusted LIBOR plus 1%, plus (b) the applicable margin of 0.75%. As of September 30, 2021, there was $42.7 million outstanding under the Credit Facility, net of debt issuance cost of $0.3 million, with a weighted average interest rate of 1.88%.

Other Comprehensive (Loss) Inco

Other Comprehensive (Loss) Income	9 Months Ended
	Sep. 30, 2021
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other Comprehensive Income	Other comprehensive (loss) income The following table summarizes the components of other comprehensive (loss) income for the three and nine months ended September 30, 2021 and 2020: Three Months Ended September 30, Nine Months Ended September 30, 2021 2020 2021 2020 (in thousands) Unrealized (losses) gains on fixed-maturity securities arising during the period, before income taxes $ (6,994) $ 8,701 $ (18,162) $ 32,113 Income tax benefit (expense) 1,469 (1,827) 3,814 (6,744) Unrealized (losses) gains arising during the period, net of income taxes (5,525) 6,874 (14,348) 25,369 Less reclassification adjustment: Net realized gains on fixed-maturity securities, before income taxes 693 405 2,232 1,304 Income tax expense (146) (85) (469) (274) Reclassification adjustment included in net income, net of income taxes 547 320 1,763 1,030 Other comprehensive (loss) income $ (6,072) $ 6,554 $ (16,111) $ 24,339

Summary of Significant Accoun_2

Summary of Significant Accounting Policies (Policies)	9 Months Ended
	Sep. 30, 2021
Accounting Policies [Abstract]
Basis of Presentation	Basis of presentationThe unaudited condensed consolidated financial statements and notes have been prepared in accordance with U.S. generally accepted accounting principles ("U.S. GAAP") for interim financial information and do not contain all of the information and footnotes required by U.S. GAAP for complete financial statements. As such, these unaudited condensed consolidated interim financial statements should be read in conjunction with the audited consolidated financial statements of Kinsale Capital Group, Inc. and its subsidiaries ("the Company") included in the Annual Report on Form 10-K for the year ended December 31, 2020. In the opinion of management, all adjustments necessary for a fair presentation of the condensed consolidated financial statements have been included. Such adjustments consist only of normal recurring items. All significant intercompany balances and transactions have been eliminated in consolidation. Interim results are not necessarily indicative of results of operations for the full year.
Use of Estimates	Use of estimatesThe preparation of condensed consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the condensed consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.
New Accounting Pronouncements, Policy	Recently adopted accounting pronouncements Accounting Standard Update ("ASU") 2019-12, Income Taxes - Simplifying the Accounting for Income Taxes In December 2019, the Financial Accounting Standards Board ("FASB") issued updated guidance for the accounting for income taxes. The updated guidance is intended to simplify the accounting for income taxes by removing several exceptions contained in existing guidance and amending other existing guidance to simplify several other income tax accounting matters. Effective January 1, 2021, the Company adopted ASU 2019-12, which did not have a material impact on the Company's condensed consolidated financial statements. There are no prospective accounting standards which, upon their effective date, would have a material impact on the Company's condensed consolidated financial statements.

Investments (Tables)

Investments (Tables)	9 Months Ended
	Sep. 30, 2021
Investments [Abstract]
Available-for-sale Investments	The following tables summarize the available-for-sale investments at September 30, 2021 and December 31, 2020: September 30, 2021 Amortized Cost Gross Unrealized Gains Gross Unrealized Losses Estimated Fair Value (in thousands) Fixed maturities: U.S. Treasury securities and obligations of U.S. government agencies $ 6,932 $ — $ (10) $ 6,922 Obligations of states, municipalities and political subdivisions 214,776 11,739 (454) 226,061 Corporate and other securities 434,489 14,101 (2,100) 446,490 Asset-backed securities 298,492 3,255 (79) 301,668 Commercial mortgage-backed securities 58,579 2,942 (81) 61,440 Residential mortgage-backed securities 300,016 2,817 (2,541) 300,292 Total fixed-maturity investments $ 1,313,284 $ 34,854 $ (5,265) $ 1,342,873 December 31, 2020 Amortized Cost Gross Unrealized Gains Gross Unrealized Losses Estimated Fair Value (in thousands) Fixed maturities: Obligations of states, municipalities and political subdivisions $ 216,181 $ 14,792 $ (67) $ 230,906 Corporate and other securities 294,854 21,840 (86) 316,608 Asset-backed securities 236,813 4,230 (382) 240,661 Commercial mortgage-backed securities 66,110 4,886 (27) 70,969 Residential mortgage-backed securities 217,859 4,938 (141) 222,656 Total fixed-maturity investments $ 1,031,817 $ 50,686 $ (703) $ 1,081,800
Available-for-sale Securities in an Unrealized Loss Position	The following tables summarize gross unrealized losses and estimated fair value for available-for-sale investments by length of time that the securities have continuously been in an unrealized loss position: September 30, 2021 Less than 12 Months 12 Months or Longer Total Estimated Fair Value Gross Unrealized Losses Estimated Fair Value Gross Unrealized Losses Estimated Fair Value Gross Unrealized Losses (in thousands) Fixed maturities: U.S. Treasury securities and obligations of the U.S. government agencies $ 6,922 $ (10) $ — $ — $ 6,922 $ (10) Obligations of states, municipalities and political subdivisions 24,496 (454) — — 24,496 (454) Corporate and other securities 127,870 (1,984) 1,080 (116) 128,950 (2,100) Asset-backed securities 63,318 (58) 7,771 (21) 71,089 (79) Commercial mortgage-backed securities 8,500 (81) — — 8,500 (81) Residential mortgage-backed securities 188,418 (2,505) 1,249 (36) 189,667 (2,541) Total fixed-maturity investments $ 419,524 $ (5,092) $ 10,100 $ (173) $ 429,624 $ (5,265) December 31, 2020 Less than 12 Months 12 Months or Longer Total Estimated Fair Value Gross Unrealized Losses Estimated Fair Value Gross Unrealized Losses Estimated Fair Value Gross Unrealized Losses (in thousands) Fixed maturities: Obligations of states, municipalities and political subdivisions $ 6,412 $ (67) $ — $ — $ 6,412 $ (67) Corporate and other securities 3,829 (86) — — 3,829 (86) Asset-backed securities 57,750 (149) 23,825 (233) 81,575 (382) Commercial mortgage-backed securities 4,971 (27) — — 4,971 (27) Residential mortgage-backed securities 46,869 (129) 266 (12) 47,135 (141) Total fixed-maturity investments $ 119,831 $ (458) $ 24,091 $ (245) $ 143,922 $ (703)
Contractual Maturities of Available-for-sale Fixed Maturity Securities	The amortized cost and estimated fair value of available-for-sale fixed-maturity securities at September 30, 2021 are summarized, by contractual maturity, as follows: September 30, 2021 Amortized Estimated Cost Fair Value (in thousands) Due in one year or less $ 8,471 $ 8,601 Due after one year through five years 172,248 178,438 Due after five years through ten years 211,736 219,098 Due after ten years 263,742 273,336 Asset-backed securities 298,492 301,668 Commercial mortgage-backed securities 58,579 61,440 Residential mortgage-backed securities 300,016 300,292 Total fixed-maturity securities $ 1,313,284 $ 1,342,873
Net Investment Income	The following table presents the components of net investment income for the three and nine months ended September 30, 2021 and 2020: Three Months Ended September 30, Nine Months Ended September 30, 2021 2020 2021 2020 (in thousands) Interest: Taxable bonds $ 6,471 $ 5,383 $ 18,356 $ 15,253 Tax exempt municipal bonds 874 918 2,636 2,741 Cash equivalents and short-term investments 1 — 11 261 Dividends on equity securities 979 1,100 2,801 2,554 Gross investment income 8,325 7,401 23,804 20,809 Investment expenses (230) (393) (1,338) (1,196) Net investment income $ 8,095 $ 7,008 $ 22,466 $ 19,613
Realized Gain (Loss) on Investments	The following table presents realized investment gains and losses for the three and nine months ended September 30, 2021 and 2020: Three Months Ended September 30, Nine Months Ended September 30, 2021 2020 2021 2020 (in thousands) Fixed-maturity securities: Realized gains $ 804 $ 719 $ 2,445 $ 1,826 Realized losses — (72) (2) (162) Net realized gains from fixed-maturity securities 804 647 2,443 1,664 Equity securities: Realized gains 97 — 97 — Realized losses (6) — (143) — Net realized gains (losses) from equity securities 91 — (46) — Realized gains from the sales of short-term investments — — — 12 Net realized investment gains $ 895 $ 647 $ 2,397 $ 1,676

Fair Value Measurements (Tables

Fair Value Measurements (Tables)	9 Months Ended
	Sep. 30, 2021
Fair Value Disclosures [Abstract]
Assets Measured at Fair Value on a Recurring Basis	The following tables present the balances of assets measured at fair value on a recurring basis as of September 30, 2021 and December 31, 2020, by level within the fair value hierarchy: September 30, 2021 Level 1 Level 2 Level 3 Total (in thousands) Assets Fixed maturities: U.S. Treasury securities and obligations of U.S. government agencies $ 6,922 $ — $ — $ 6,922 Obligations of states, municipalities and political subdivisions — 226,061 — 226,061 Corporate and other securities — 446,490 — 446,490 Asset-backed securities — 301,668 — 301,668 Commercial mortgage-backed securities — 61,440 — 61,440 Residential mortgage-backed securities — 300,292 — 300,292 Total fixed-maturity securities 6,922 1,335,951 — 1,342,873 Equity securities: Exchange traded funds 112,984 — — 112,984 Non-redeemable preferred stock — 38,808 — 38,808 Total equity securities 112,984 38,808 — 151,792 Total $ 119,906 $ 1,374,759 $ — $ 1,494,665 December 31, 2020 Level 1 Level 2 Level 3 Total (in thousands) Assets Fixed maturities: Obligations of states, municipalities and political subdivisions $ — $ 230,906 $ — $ 230,906 Corporate and other securities — 316,608 — 316,608 Asset-backed securities — 240,661 — 240,661 Commercial mortgage-backed securities — 70,969 — 70,969 Residential mortgage-backed securities — 222,656 — 222,656 Total fixed-maturity securities — 1,081,800 — 1,081,800 Equity securities: Exchange traded funds 98,050 — — 98,050 Non-redeemable preferred stock — 31,612 — 31,612 Total equity securities 98,050 31,612 — 129,662 Total $ 98,050 $ 1,113,412 $ — $ 1,211,462

Deferred Policy Acquisition C_2

Deferred Policy Acquisition Costs (Tables)	9 Months Ended
	Sep. 30, 2021
Deferred Policy Acquisition Costs Disclosures [Abstract]
Deferred Policy Acquisition Costs	The following table presents the amounts of policy acquisition costs deferred and amortized for the three and nine months ended September 30, 2021 and 2020: Three Months Ended September 30, Nine Months Ended September 30, 2021 2020 2021 2020 (in thousands) Balance, beginning of period $ 38,801 $ 28,942 $ 31,912 $ 23,564 Policy acquisition costs deferred: Direct commissions 28,837 21,214 81,740 58,788 Ceding commissions (8,089) (5,746) (21,283) (13,509) Other underwriting and policy acquisition costs 1,600 916 4,540 3,385 Policy acquisition costs deferred 22,348 16,384 64,997 48,664 Amortization of net policy acquisition costs (20,876) (15,033) (56,636) (41,935) Balance, end of period $ 40,273 $ 30,293 $ 40,273 $ 30,293

Property and Equipment (Tables)

Property and Equipment (Tables)	9 Months Ended
	Sep. 30, 2021
Property and Equipment [Abstract]
Property and Equipment	Property and equipment are included in "other assets" in the accompanying consolidated balance sheets and consists of the following: September 30, 2021 December 31, 2020 (in thousands) Building $ 32,973 $ 31,675 Parking deck 5,072 5,072 Land 3,068 3,068 Equipment 3,054 2,770 Software 6,991 4,815 Furniture and fixtures 2,194 1,731 Land improvements 472 317 53,824 49,448 Accumulated depreciation (4,941) (3,262) Total property and equipment, net $ 48,883 $ 46,186

Underwriting, Acquisition and_2

Underwriting, Acquisition and Insurance Expenses (Tables)	9 Months Ended
	Sep. 30, 2021
Underwriting, Acquisition and Insurance Expenses [Abstract]
Underwriting, acquisition and insurance expenses	Underwriting, acquisition and insurance expenses for the three and nine months ended September 30, 2021 and 2020 consist of the following: Three Months Ended September 30, Nine Months Ended September 30, 2021 2020 2021 2020 (in thousands) Underwriting, acquisition and insurance expenses incurred: Direct commissions $ 26,317 $ 18,585 $ 71,036 $ 50,068 Ceding commissions (6,902) (4,588) (18,344) (11,234) Other operating expenses 12,050 8,930 36,798 28,637 Total $ 31,465 $ 22,927 $ 89,490 $ 67,471

Stock-based Compensation (Table

Stock-based Compensation (Tables)	9 Months Ended
	Sep. 30, 2021
Share-based Payment Arrangement [Abstract]
Restricted Stock Activity	A summary of restricted stock activity under the 2016 Incentive Plan for the nine months ended September 30, 2021 is as follows: For the Nine Months Ended September 30, 2021 Number of Shares Weighted Average Grant Date Fair Value per Share Non-vested outstanding at the beginning of the period 108,392 $ 97.40 Granted 35,870 $ 185.00 Vested (40,752) $ 86.77 Forfeited (6,940) $ 128.40 Non-vested outstanding at the end of the period 96,570 $ 132.19
Stock Options Valuation Assumptions	The value of the options granted was estimated at the date of grant using the Black-Scholes pricing model using the following assumptions: Risk-free rate of return 1.26 % Dividend yield 1.25 % Expected share price volatility (1) 18.50 % Expected life in years (2) 6.3 years
Stock Options Activity	A summary of option activity as of September 30, 2021, and changes during the period then ended is presented below: Number of Shares Weighted-Average Exercise Price Weighted-Average Remaining Years of Contractual Term Aggregate Intrinsic Value (in thousands) Outstanding at January 1, 2021 387,738 $ 16.00 Granted — — Forfeited (934) 16.00 Exercised (45,192) 16.00 Outstanding at September 30, 2021 341,612 $ 16.00 4.8 $ 49,773 Exercisable at September 30, 2021 341,612 $ 16.00 4.8 $ 49,773

Earnings Per Share (Tables)

Earnings Per Share (Tables)	9 Months Ended
	Sep. 30, 2021
Earnings Per Share [Abstract]
Earnings Per Share	The following represents a reconciliation of the numerator and denominator of the basic and diluted earnings per share computations contained in the condensed consolidated financial statements: Three Months Ended September 30, Nine Months Ended September 30, 2021 2020 2021 2020 (in thousands, except per share data) Net income $ 36,625 $ 14,890 $ 104,339 $ 50,238 Weighted average common shares outstanding - basic 22,714 22,398 22,681 22,220 Effect of potential dilutive securities: Conversion of stock options 317 465 329 491 Conversion of restricted stock 33 65 47 64 Weighted average common shares outstanding - diluted 23,064 22,928 23,057 22,775 Earnings per common share: Basic $ 1.61 $ 0.66 $ 4.60 $ 2.26 Diluted $ 1.59 $ 0.65 $ 4.53 $ 2.21

Reserves for Unpaid Losses an_2

Reserves for Unpaid Losses and Loss Adjustment Expenses (Tables)	9 Months Ended
	Sep. 30, 2021
Liability for Unpaid Claims and Claims Adjustment Expense, Activity in Liability [Abstract]
Schedule of Unpaid Losses and Loss Adjustment Expenses	The following table presents a reconciliation of consolidated beginning and ending reserves for unpaid losses and loss adjustment expenses: September 30, 2021 2020 (in thousands) Gross reserves for unpaid losses and loss adjustment expenses, beginning of year $ 636,013 $ 460,058 Less: reinsurance recoverable on unpaid losses 83,730 69,792 Adoption of accounting standard for credit losses — (282) Net reserves for unpaid losses and loss adjustment expenses, beginning of year 552,283 390,548 Incurred losses and loss adjustment expenses: Current year 262,140 204,096 Prior years (25,413) (9,628) Total net losses and loss adjustment expenses incurred 236,727 194,468 Payments: Current year 12,110 10,256 Prior years 68,546 57,253 Total payments 80,656 67,509 Net reserves for unpaid losses and loss adjustment expenses, end of period 708,354 517,507 Reinsurance recoverable on unpaid losses 106,502 85,693 Gross reserves for unpaid losses and loss adjustment expenses, end of period $ 814,856 $ 603,200

Reinsurance (Tables)

Reinsurance (Tables)	9 Months Ended
	Sep. 30, 2021
Reinsurance Disclosures [Abstract]
Effects of Reinsurance	The following table summarizes the effect of reinsurance on premiums written and earned for the three and nine months ended September 30, 2021 and 2020: Three Months Ended September 30, Nine Months Ended September 30, 2021 2020 2021 2020 (in thousands) Premiums written: Direct $ 197,616 $ 144,777 $ 560,553 $ 402,904 Assumed — — — — Ceded (26,939) (22,529) (77,825) (54,996) Net written $ 170,677 $ 122,248 $ 482,728 $ 347,908 Premiums earned: Direct $ 180,458 $ 127,301 $ 486,920 $ 343,184 Assumed — — — 21 Ceded (23,587) (19,057) (69,308) (48,243) Net earned $ 156,871 $ 108,244 $ 417,612 $ 294,962
Effects of Reinsurance on Losses	The following table summarizes ceded losses and loss adjustment expenses for the three and nine months ended September 30, 2021 and 2020: Three Months Ended September 30, Nine Months Ended September 30, 2021 2020 2021 2020 (in thousands) Ceded incurred losses and loss adjustment expenses $ 10,640 $ 19,297 $ 34,053 $ 30,202
Reinsurance Recoverables	The following table presents reinsurance recoverables on paid and unpaid losses as of September 30, 2021 and December 31, 2020: September 30, 2021 December 31, 2020 (in thousands) Reinsurance recoverables on paid losses $ 5,524 $ 9,485 Reinsurance recoverables on unpaid losses 106,502 83,730 Reinsurance recoverables $ 112,026 $ 93,215

Other Comprehensive (Loss) In_2

Other Comprehensive (Loss) Income (Tables)	9 Months Ended
	Sep. 30, 2021
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Comprehensive Income (Loss)	The following table summarizes the components of other comprehensive (loss) income for the three and nine months ended September 30, 2021 and 2020: Three Months Ended September 30, Nine Months Ended September 30, 2021 2020 2021 2020 (in thousands) Unrealized (losses) gains on fixed-maturity securities arising during the period, before income taxes $ (6,994) $ 8,701 $ (18,162) $ 32,113 Income tax benefit (expense) 1,469 (1,827) 3,814 (6,744) Unrealized (losses) gains arising during the period, net of income taxes (5,525) 6,874 (14,348) 25,369 Less reclassification adjustment: Net realized gains on fixed-maturity securities, before income taxes 693 405 2,232 1,304 Income tax expense (146) (85) (469) (274) Reclassification adjustment included in net income, net of income taxes 547 320 1,763 1,030 Other comprehensive (loss) income $ (6,072) $ 6,554 $ (16,111) $ 24,339

Investments Investments (Availa

Investments Investments (Available for Sale) (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 1,313,284	$ 1,031,817
Gross Unrealized Holding Gains	34,854	50,686
Gross Unrealized Holding Losses	5,265	703
Estimated Fair Value	1,342,873	1,081,800
U.S. Treasury securities and obligations of U.S. government agencies
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	6,932
Gross Unrealized Holding Gains	0
Gross Unrealized Holding Losses	10
Estimated Fair Value	6,922
Obligations of states, municipalities and political subdivisions
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	214,776	216,181
Gross Unrealized Holding Gains	11,739	14,792
Gross Unrealized Holding Losses	454	67
Estimated Fair Value	226,061	230,906
Corporate and other securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	434,489	294,854
Gross Unrealized Holding Gains	14,101	21,840
Gross Unrealized Holding Losses	2,100	86
Estimated Fair Value	446,490	316,608
Asset-backed securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	298,492	236,813
Gross Unrealized Holding Gains	3,255	4,230
Gross Unrealized Holding Losses	79	382
Estimated Fair Value	301,668	240,661
Commercial mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	58,579	66,110
Gross Unrealized Holding Gains	2,942	4,886
Gross Unrealized Holding Losses	81	27
Estimated Fair Value	61,440	70,969
Residential mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	300,016	217,859
Gross Unrealized Holding Gains	2,817	4,938
Gross Unrealized Holding Losses	2,541	141
Estimated Fair Value	$ 300,292	$ 222,656

Investments Available-for-Sale

Investments Available-for-Sale Securities in a Loss Position (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months, Estimated Fair Value	$ 419,524	$ 119,831
Less than 12 months, gross unrealized holding losses	5,092	458
12 Months or Longer, Estimated Fair Value	10,100	24,091
12 Months or Longer, Gross Unrealized Holding Losses	173	245
Total Estimated Fair Value	429,624	143,922
Total Gross Unrealized Holding Losses	5,265	703
US Treasury Securities
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months, Estimated Fair Value	6,922
Less than 12 months, gross unrealized holding losses	10
12 Months or Longer, Estimated Fair Value	0
12 Months or Longer, Gross Unrealized Holding Losses	0
Total Estimated Fair Value	6,922
Obligations of states, municipalities and political subdivisions [Member]
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months, Estimated Fair Value	24,496	6,412
Less than 12 months, gross unrealized holding losses	454	67
12 Months or Longer, Estimated Fair Value	0	0
12 Months or Longer, Gross Unrealized Holding Losses	0	0
Total Estimated Fair Value	24,496	6,412
Total Gross Unrealized Holding Losses	454	67
Corporate and other securities [Member]
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months, Estimated Fair Value	127,870	3,829
Less than 12 months, gross unrealized holding losses	1,984	86
12 Months or Longer, Estimated Fair Value	1,080	0
12 Months or Longer, Gross Unrealized Holding Losses	116	0
Total Estimated Fair Value	128,950	3,829
Total Gross Unrealized Holding Losses	2,100	86
Asset-backed securities [Member]
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months, Estimated Fair Value	63,318	57,750
Less than 12 months, gross unrealized holding losses	58	149
12 Months or Longer, Estimated Fair Value	7,771	23,825
12 Months or Longer, Gross Unrealized Holding Losses	21	233
Total Estimated Fair Value	71,089	81,575
Total Gross Unrealized Holding Losses	79	382
Commercial mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months, Estimated Fair Value	8,500	4,971
Less than 12 months, gross unrealized holding losses	81	27
12 Months or Longer, Estimated Fair Value	0	0
12 Months or Longer, Gross Unrealized Holding Losses	0	0
Total Estimated Fair Value	8,500	4,971
Total Gross Unrealized Holding Losses	81	27
Residential mortgage-backed securities [Member]
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months, Estimated Fair Value	188,418	46,869
Less than 12 months, gross unrealized holding losses	2,505	129
12 Months or Longer, Estimated Fair Value	1,249	266
12 Months or Longer, Gross Unrealized Holding Losses	36	12
Total Estimated Fair Value	189,667	47,135
Total Gross Unrealized Holding Losses	2,541	$ 141
U.S. Treasury securities and obligations of U.S. government agencies
Debt Securities, Available-for-sale [Line Items]
Total Gross Unrealized Holding Losses	$ 10

Investments Available-for-Sal_2

Investments Available-for-Sale Securities in a Loss Position Narrative (Details) $ in Thousands	Sep. 30, 2021USD ($)Rate	Dec. 31, 2020USD ($)
Debt Securities, Available-for-sale [Line Items]
Number of available-for-sale securities in unrealized loss positions	165
Total Estimate Fair Value	$ 429,624	$ 143,922
Gross Unrealized Losses	$ 5,265	$ 703
Number of available-for-sale securities in unrealized loss positions, greater than one year	8
Credit losses	$ 0
Fixed maturities [Member]
Debt Securities, Available-for-sale [Line Items]
Available-for-sale securities, percentage of securities with ratings of A minus or better | Rate	80.30%

Investments Contractual Maturit

Investments Contractual Maturities of Available-for-Sale Fixed Maturity Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Amortized Cost
Due in one year or less, Amortized Cost	$ 8,471
Due after one year through five years, Amortized Cost	172,248
Due after five years through ten years, Amortized Cost	211,736
Due after ten years, Amortized Cost	263,742
Total fixed maturities, Amortized Cost	1,313,284	$ 1,031,817
Estimated Fair Value
Due in one year or less, Estimated Fair Value	8,601
Due after one year through five years, Estimated Fair Value	178,438
Due after five years through ten years, Estimated Fair Value	219,098
Due after ten years, Estimated Fair Value	273,336
Estimated Fair Value	1,342,873	1,081,800
Asset-backed securities [Member]
Amortized Cost
Without single maturity date, Amortized Cost	298,492
Total fixed maturities, Amortized Cost	298,492	236,813
Estimated Fair Value
Without single maturity date, Estimated Fair Value	301,668
Estimated Fair Value	301,668	240,661
Commercial mortgage-backed securities
Amortized Cost
Without single maturity date, Amortized Cost	58,579
Total fixed maturities, Amortized Cost	58,579	66,110
Estimated Fair Value
Without single maturity date, Estimated Fair Value	61,440
Estimated Fair Value	61,440	70,969
Residential mortgage-backed securities [Member]
Amortized Cost
Without single maturity date, Amortized Cost	300,016
Total fixed maturities, Amortized Cost	300,016	217,859
Estimated Fair Value
Without single maturity date, Estimated Fair Value	300,292
Estimated Fair Value	$ 300,292	$ 222,656

Investments Net Investment Inco

Investments Net Investment Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Components of Net Investment Income [Abstract]
Taxable bonds	$ 6,471	$ 5,383	$ 18,356	$ 15,253
Tax exempt municipal bonds	874	918	2,636	2,741
Cash equivalents and short-term investments	1	0	11	261
Dividends on equity securities	979	1,100	2,801	2,554
Gross investment income	8,325	7,401	23,804	20,809
Investment expenses	(230)	(393)	(1,338)	(1,196)
Net investment income	$ 8,095	$ 7,008	$ 22,466	$ 19,613

Investments Realized Gains (Los

Investments Realized Gains (Losses) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Debt and Equity Securities, Realized Gain (Loss) [Abstract]
Realized gains, fixed-maturity securities	$ 804	$ 719	$ 2,445	$ 1,826
Realized losses, fixed-maturity securities	0	(72)	(2)	(162)
Net realized gains, fixed-maturity securities	804	647	2,443	1,664
Realized gains, equity securities	97	0	97	0
Realized losses, equity securities	(6)	0	(143)	0
Net realized losses, equity securities	91	0	(46)	0
Realized gains from the sales of short-term investments	0	0	0	12
Net realized investment gains	$ 895	$ 647	$ 2,397	$ 1,676

Investments Unrealized Gains (L

Investments Unrealized Gains (Losses) on Investments (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Investments, Debt and Equity Securities [Abstract]
Change in net unrealized gains on fixed-maturity securities	$ (7.7)	$ 8.3	$ (20.4)	$ 30.8

Investments Investment Narrativ

Investments Investment Narrative (Details) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Investments, Debt and Equity Securities [Abstract]
Assets on deposit with state regulatory authorities	$ 6.7	$ 6.9
Payable for investments purchased	$ 15.6

Fair Value Measurements - Fair

Fair Value Measurements - Fair Value Hierarchy (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fixed-maturity securities, available for sale, at fair value (amortized cost: $1,313,284 – 2021; $1,031,817 – 2020)	$ 1,342,873	$ 1,081,800
Obligations of states, municipalities and political subdivisions [Member]
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fixed-maturity securities, available for sale, at fair value (amortized cost: $1,313,284 – 2021; $1,031,817 – 2020)	226,061	230,906
Corporate and other securities [Member]
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fixed-maturity securities, available for sale, at fair value (amortized cost: $1,313,284 – 2021; $1,031,817 – 2020)	446,490	316,608
Asset-backed securities [Member]
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fixed-maturity securities, available for sale, at fair value (amortized cost: $1,313,284 – 2021; $1,031,817 – 2020)	301,668	240,661
Commercial mortgage-backed securities
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fixed-maturity securities, available for sale, at fair value (amortized cost: $1,313,284 – 2021; $1,031,817 – 2020)	61,440	70,969
Residential mortgage-backed securities [Member]
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fixed-maturity securities, available for sale, at fair value (amortized cost: $1,313,284 – 2021; $1,031,817 – 2020)	300,292	222,656
Recurring
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fair value	1,494,665	1,211,462
Recurring | Fair Value, Inputs, Level 1 [Member]
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fair value	119,906	98,050
Recurring | Fair Value, Inputs, Level 2 [Member]
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fair value	1,374,759	1,113,412
Recurring | Level 3
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fair value	0	0
Recurring | Fixed maturities [Member]
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fixed-maturity securities, available for sale, at fair value (amortized cost: $1,313,284 – 2021; $1,031,817 – 2020)	1,342,873	1,081,800
Recurring | Fixed maturities [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fixed-maturity securities, available for sale, at fair value (amortized cost: $1,313,284 – 2021; $1,031,817 – 2020)	6,922	0
Recurring | Fixed maturities [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fixed-maturity securities, available for sale, at fair value (amortized cost: $1,313,284 – 2021; $1,031,817 – 2020)	1,335,951	1,081,800
Recurring | Fixed maturities [Member] | Level 3
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fixed-maturity securities, available for sale, at fair value (amortized cost: $1,313,284 – 2021; $1,031,817 – 2020)	0	0
Recurring | US Treasury Securities
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fixed-maturity securities, available for sale, at fair value (amortized cost: $1,313,284 – 2021; $1,031,817 – 2020)	6,922
Recurring | US Treasury Securities | Fair Value, Inputs, Level 1 [Member]
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fixed-maturity securities, available for sale, at fair value (amortized cost: $1,313,284 – 2021; $1,031,817 – 2020)	6,922
Recurring | US Treasury Securities | Fair Value, Inputs, Level 2 [Member]
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fixed-maturity securities, available for sale, at fair value (amortized cost: $1,313,284 – 2021; $1,031,817 – 2020)	0
Recurring | US Treasury Securities | Level 3
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fixed-maturity securities, available for sale, at fair value (amortized cost: $1,313,284 – 2021; $1,031,817 – 2020)	0
Recurring | Obligations of states, municipalities and political subdivisions [Member]
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fixed-maturity securities, available for sale, at fair value (amortized cost: $1,313,284 – 2021; $1,031,817 – 2020)	226,061	230,906
Recurring | Obligations of states, municipalities and political subdivisions [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fixed-maturity securities, available for sale, at fair value (amortized cost: $1,313,284 – 2021; $1,031,817 – 2020)	0	0
Recurring | Obligations of states, municipalities and political subdivisions [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fixed-maturity securities, available for sale, at fair value (amortized cost: $1,313,284 – 2021; $1,031,817 – 2020)	226,061	230,906
Recurring | Obligations of states, municipalities and political subdivisions [Member] | Level 3
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fixed-maturity securities, available for sale, at fair value (amortized cost: $1,313,284 – 2021; $1,031,817 – 2020)	0	0
Recurring | Corporate and other securities [Member]
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fixed-maturity securities, available for sale, at fair value (amortized cost: $1,313,284 – 2021; $1,031,817 – 2020)	446,490	316,608
Recurring | Corporate and other securities [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fixed-maturity securities, available for sale, at fair value (amortized cost: $1,313,284 – 2021; $1,031,817 – 2020)	0	0
Recurring | Corporate and other securities [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fixed-maturity securities, available for sale, at fair value (amortized cost: $1,313,284 – 2021; $1,031,817 – 2020)	446,490	316,608
Recurring | Corporate and other securities [Member] | Level 3
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fixed-maturity securities, available for sale, at fair value (amortized cost: $1,313,284 – 2021; $1,031,817 – 2020)	0	0
Recurring | Asset-backed securities [Member]
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fixed-maturity securities, available for sale, at fair value (amortized cost: $1,313,284 – 2021; $1,031,817 – 2020)	301,668	240,661
Recurring | Asset-backed securities [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fixed-maturity securities, available for sale, at fair value (amortized cost: $1,313,284 – 2021; $1,031,817 – 2020)	0	0
Recurring | Asset-backed securities [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fixed-maturity securities, available for sale, at fair value (amortized cost: $1,313,284 – 2021; $1,031,817 – 2020)	301,668	240,661
Recurring | Asset-backed securities [Member] | Level 3
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fixed-maturity securities, available for sale, at fair value (amortized cost: $1,313,284 – 2021; $1,031,817 – 2020)	0	0
Recurring | Commercial mortgage-backed securities
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fixed-maturity securities, available for sale, at fair value (amortized cost: $1,313,284 – 2021; $1,031,817 – 2020)	61,440	70,969
Recurring | Commercial mortgage-backed securities | Fair Value, Inputs, Level 1 [Member]
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fixed-maturity securities, available for sale, at fair value (amortized cost: $1,313,284 – 2021; $1,031,817 – 2020)	0	0
Recurring | Commercial mortgage-backed securities | Fair Value, Inputs, Level 2 [Member]
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fixed-maturity securities, available for sale, at fair value (amortized cost: $1,313,284 – 2021; $1,031,817 – 2020)	61,440	70,969
Recurring | Commercial mortgage-backed securities | Level 3
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fixed-maturity securities, available for sale, at fair value (amortized cost: $1,313,284 – 2021; $1,031,817 – 2020)	0	0
Recurring | Residential mortgage-backed securities [Member]
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fixed-maturity securities, available for sale, at fair value (amortized cost: $1,313,284 – 2021; $1,031,817 – 2020)	300,292	222,656
Recurring | Residential mortgage-backed securities [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fixed-maturity securities, available for sale, at fair value (amortized cost: $1,313,284 – 2021; $1,031,817 – 2020)	0	0
Recurring | Residential mortgage-backed securities [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fixed-maturity securities, available for sale, at fair value (amortized cost: $1,313,284 – 2021; $1,031,817 – 2020)	300,292	222,656
Recurring | Residential mortgage-backed securities [Member] | Level 3
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fixed-maturity securities, available for sale, at fair value (amortized cost: $1,313,284 – 2021; $1,031,817 – 2020)	0	0
Recurring | Equity securities [Member]
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fair value	151,792	129,662
Recurring | Equity securities [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fair value	112,984	98,050
Recurring | Equity securities [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fair value	38,808	31,612
Recurring | Equity securities [Member] | Level 3
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fair value	0	0
Recurring | Exchange traded funds [Member]
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fair value	112,984	98,050
Recurring | Exchange traded funds [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fair value	112,984	98,050
Recurring | Exchange traded funds [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fair value	0	0
Recurring | Exchange traded funds [Member] | Level 3
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fair value	0	0
Recurring | Nonredeemable preferred stock [Member]
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fair value	38,808	31,612
Recurring | Nonredeemable preferred stock [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fair value	0	0
Recurring | Nonredeemable preferred stock [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fair value	38,808	31,612
Recurring | Nonredeemable preferred stock [Member] | Level 3
Fair Value of Investments Measured on Recurring Basis [Line Items]
Fair value	$ 0	$ 0

Fair Value Measures and Disclos

Fair Value Measures and Disclosures Narrative (Details) - Nonrecurring [Member] - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	$ 0	$ 0
Liabilities measured at fair value	$ 0	$ 0

Deferred Policy Acquisition C_3

Deferred Policy Acquisition Costs (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of period	$ 38,801	$ 28,942	$ 31,912	$ 23,564
Policy acquisition costs deferred:
Direct commissions deferred	28,837	21,214	81,740	58,788
Ceding commissions deferred	(8,089)	(5,746)	(21,283)	(13,509)
Other underwriting and policy acquisition costs	1,600	916	4,540	3,385
Policy acquisition costs deferred	22,348	16,384	64,997	48,664
Amortization of net policy acquisition costs	(20,876)	(15,033)	(56,636)	(41,935)
Balance, end of period	$ 40,273	$ 30,293	$ 40,273	$ 30,293

Property and Equipment (Details

Property and Equipment (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 53,824		$ 49,448
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	(4,941)		(3,262)
Property, Plant and Equipment, Net	48,883		46,186
Transaction price of sale of land and parking deck		$ 6,500
Proceeds received from sale of land and parking deck	5,000
Proceeds receivable from sale of land and parking deck	1,500
Building
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	32,973		31,675
Parking
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	5,072		5,072
Land
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	3,068		3,068
Equipment
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	3,054		2,770
Software Development
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	6,991		4,815
Furniture and Fixtures
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	2,194		1,731
Land Improvements
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 472		$ 317

Underwriting, Acquisition and_3

Underwriting, Acquisition and Insurance Expenses (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Underwriting, Acquisition and Insurance Expenses [Abstract]
Gross commissions	$ 26,317	$ 18,585	$ 71,036	$ 50,068
Ceding commissions	(6,902)	(4,588)	(18,344)	(11,234)
Other operating expenses	12,050	8,930	36,798	28,637
Underwriting, acquisition, and insurance expenses	31,465	22,927	89,490	67,471
Salaries, bonuses and employee benefits	$ 11,600	$ 6,600	$ 34,900	$ 24,600

Stock-based Compensation Narrat

Stock-based Compensation Narrative (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 3.6	$ 2.7
Maximum [Member] | 2016 Omnibus Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for issuance	2,073,832

Stock-based Compensation Narr_2

Stock-based Compensation Narrative - Restricted Stock Awards (Details) - Restricted stock [Member] - USD ($) $ / shares in Units, $ in Millions	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant date fair value	$ 185	$ 145.46
Fair value of restricted stock awards vested	$ 6.8	$ 5.8
Unrecognized stock-based compensation expense	$ 10.4
Compensation cost not yet recognized, period	2 years 8 months 12 days
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	1 year
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	4 years

Stock-based Compensation Restri

Stock-based Compensation Restrictive Stock Awards (Details) - $ / shares	3 Months Ended		9 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Nonvested Restricted Stock, Weighted Average Grant Date Fair Value [Abstract]
Restricted shares withheld for taxes (shares)	13,000	12,000
Restricted stock [Member]
Nonvested Restricted Stock, Number of Shares [Roll Forward]
Nonvested outstanding at the beginning of the period, shares			108,392
Granted, shares			35,870
Vested, shares			(40,752)
Forfeited, shares			(6,940)
Nonvested outstanding at the end of the period, shares			96,570
Nonvested Restricted Stock, Weighted Average Grant Date Fair Value [Abstract]
Nonvested outstanding at the beginning of the period			$ 97.40
Granted			185	$ 145.46
Vested			86.77
Forfeited			128.40
Nonvested outstanding at the end of the period			$ 132.19
Restricted shares withheld for taxes (shares)			12,846

Stock-based Compensation Narr_3

Stock-based Compensation Narrative - Stock Options (Details) - USD ($) $ / shares in Units, $ in Millions	Jul. 27, 2016	Sep. 30, 2021	Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Intrinsic value of options exercised		$ 7.3	$ 17.9
Weighted average exercise price, granted		$ 0
Stock option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average exercise price, granted	$ 16
Weighted average grant date fair value	$ 2.71
Contractual term	10 years
Vesting period	4 years

Stock-based Compensation Stock

Stock-based Compensation Stock Options (Details) - USD ($) $ / shares in Units, $ in Thousands	Jul. 27, 2016	Sep. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding beginning of period, shares		387,738
Granted, shares		0
Forfeited, shares		(934)
Exercised, shares		(45,192)
Outstanding end of period, shares		341,612
Exercisable, shares		341,612
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Outstanding beginning of period		$ 16
Granted		0
Forfeited		16
Exercised		16
Outstanding end of period		16
Exercisable end of period		$ 16
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Outstanding, weighted average remaining contractual term		4 years 9 months 18 days
Exercisable, weighted average remaining contractual term		4 years 9 months 18 days
Outstanding, aggregate intrinsic value		$ 49,773
Exercisable, aggregate intrinsic value		$ 49,773
Stock option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Risk-free rate of return	1.26%
Dividend yield	1.25%
Expected share price volatility	18.50%
Expected life in years	6 years 3 months 18 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Granted, shares	1,036,916
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Granted	$ 16

Earnings Per Share (Details)

Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2021	Sep. 30, 2020
Earnings Per Share, [Line Items]
Net income	$ 36,625	$ 35,635	$ 32,079	$ 14,890	$ 30,262	$ 5,086	$ 104,339	$ 50,238
Weighted Average Number of Shares Outstanding, Basic [Abstract]
Weighted average shares outstanding - basic	22,714			22,398			22,681	22,220
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
Weighted average shares outstanding - diluted	23,064			22,928			23,057	22,775
Earnings Per Share, Basic [Abstract]
Earnings per share - basic	$ 1.61			$ 0.66			$ 4.60	$ 2.26
Earnings Per Share, Diluted [Abstract]
Earnings per share - diluted	$ 1.59			$ 0.65			$ 4.53	$ 2.21
Stock option [Member]
Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract]
Dilutive effect of shares issued under stock compensation arrangements	317			465			329	491
Restricted stock [Member]
Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract]
Dilutive effect of shares issued under stock compensation arrangements	33			65			47	64

Earnings Per Share Narrative (D

Earnings Per Share Narrative (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Restricted stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities	0	0	30,000	35,000

Income Taxes (Details)

Income Taxes (Details)	9 Months Ended
	Sep. 30, 2021Rate	Sep. 30, 2020Rate
Income Tax Disclosure [Abstract]
Effective tax rate	18.90%	12.80%
Federal statutory income tax rate	21.00%	21.00%

Reserves for Unpaid Losses an_3

Reserves for Unpaid Losses and Loss Adjustment Expenses (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020	Dec. 31, 2019
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward]
Gross reserves for unpaid losses and loss adjustment expenses, beginning of year	$ 636,013	$ 460,058
Reinsurance recoverable on unpaid losses	106,502	85,693	$ 83,730	$ 69,792
Adoption of new accounting standard for credit losses			0	(282)
Net reserves for unpaid losses and loss adjustment expenses, beginning of year	552,283	390,548
Incurred losses and loss adjustment expenses:
Current year	262,140	204,096
Prior years	(25,413)	(9,628)
Total net losses and loss adjustment expenses incurred	236,727	194,468
Payments:
Current year	12,110	10,256
Prior years	68,546	57,253
Total payments	80,656	67,509
Reinsurance recoverable on unpaid losses	106,502	85,693	$ 83,730	$ 69,792
Net reserves for unpaid losses and loss adjustment expenses, end of period	708,354	517,507
Gross reserves for unpaid losses and loss adjustment expenses, end of period	$ 814,856	$ 603,200

Reserves for Unpaid Losses an_4

Reserves for Unpaid Losses and Loss Adjustment Expenses Narrative (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Claims Development [Line Items]
Adverse (Favorable) development on prior year loss reserves	$ (25,413)	$ (9,628)
Current year	262,140	204,096
Catastrophe losses [Member]
Claims Development [Line Items]
Current year	8,800	17,100
Accident Year 2020
Claims Development [Line Items]
Adverse (Favorable) development on prior year loss reserves	$ (28,900)
Accident Year 2019 [Member]
Claims Development [Line Items]
Adverse (Favorable) development on prior year loss reserves		$ (7,800)

Reinsurance (Details)

Reinsurance (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020	Dec. 31, 2019
Premiums Written, Net [Abstract]
Premiums written - direct	$ 197,616	$ 144,777	$ 560,553	$ 402,904
Premiums written - assumed	0	0	0	0
Premiums written - ceded	(26,939)	(22,529)	(77,825)	(54,996)
Net written premiums	170,677	122,248	482,728	347,908
Premiums Earned, Net [Abstract]
Premiums earned - direct	180,458	127,301	486,920	343,184
Premiums earned - assumed	0	0	0	21
Premiums earned - ceded	(23,587)	(19,057)	(69,308)	(48,243)
Net earned premiums	156,871	108,244	417,612	294,962
Ceded incurred losses and loss adjustment expenses	10,640	19,297	34,053	30,202
Reinsurance recoverables on paid losses	5,524		5,524		$ 9,485
Reinsurance recoverable on unpaid losses	106,502	$ 85,693	106,502	$ 85,693	83,730	$ 69,792
Reinsurance recoverables	$ 112,026		$ 112,026		$ 93,215

Credit Agreement (Details)

Credit Agreement (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
Debt Disclosure [Abstract]
Current Borrowing Capacity	$ 50,000
Credit Facility Accordion Feature	$ 30,000
Maturity Date	May 28, 2024
Interest Rate Description	Eurodollar loans bear an interest rate per annum equal to adjusted LIBOR for the applicable interest period plus a margin of 1.75%. ABR loans bear an interest rate per annum equal to (a) the higher of the prime rate, the New York Federal Reserve Board Rate plus 0.50% or the one-month adjusted LIBOR plus 1%, plus (b) the applicable margin of 0.75%.
Credit Facility	$ 42,664	$ 42,570
Debt Issuance Costs, Net	$ 300
Weighted Average Interest Rate	1.88%

Other Comprehensive (Loss) In_3

Other Comprehensive (Loss) Income (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2021	Sep. 30, 2020
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Unrealized (losses) gains arising during the period, before income taxes	$ (6,994)			$ 8,701			$ (18,162)	$ 32,113
Income taxes	1,469			(1,827)			3,814	(6,744)
Unrealized (losses) gains arising during the period, net of income tax	(5,525)			6,874			(14,348)	25,369
Less reclassification adjustment [Abstract]
Net realized investment gains on fixed-maturity securities, before income taxes	693			405			2,232	1,304
Income taxes	(146)			(85)			(469)	(274)
Reclassification adjustment included in net income, net of income taxes	547			320			1,763	1,030
Other comprehensive loss	$ (6,072)	$ 9,583	$ (19,622)	$ 6,554	$ 27,008	$ (9,223)	$ (16,111)	$ 24,339