Consolidated Statements of Income and Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenues
Net premiums earned	$ 234,228	$ 259,225
Investment income, net of investment expenses	11,276	17,081
Net investment gains (losses) (includes reclassifications for net unrealized investment gains (losses) on available-for-sale securities of $318 in 2022 and $(807) in 2021; previously included in accumulated other comprehensive income (loss))	(465)	24,508
Other income (loss)	(25)	(79)
Total revenues	245,014	300,735
Benefits, Losses and Expenses
Losses and loss settlement expenses	130,376	206,398
Amortization of deferred policy acquisition costs	50,471	53,265
Other underwriting expenses (includes reclassifications for employee benefit costs of $900 in 2022 and $1,667 in 2021; previously included in accumulated other comprehensive income (loss))	28,644	18,368
Interest expense	797	0
Total benefits, losses and expenses	210,288	278,031
Income before income taxes	34,726	22,704
Federal income tax expense (includes reclassifications of $122 in 2022 and $520 in 2021; previously included in accumulated other comprehensive income (loss))	6,377	4,002
Net Income	28,349	18,702
Other comprehensive income (loss)
Change in net unrealized appreciation on investments	(82,965)	(30,497)
Change in liability for underfunded employee benefit plans	(4,591)	6,505
Other comprehensive income (loss), before tax and reclassification adjustments	(87,556)	(23,992)
Income tax effect	18,387	5,038
Other comprehensive income (loss), after tax, before reclassification adjustments	(69,169)	(18,954)
Reclassification adjustment for net realized investment losses included in income	(318)	807
Reclassification adjustment for employee benefit costs included in expense	900	1,667
Total reclassification adjustments, before tax	582	2,474
Income tax effect	(122)	(520)
Total reclassification adjustments, after tax	460	1,954
Comprehensive income (loss)	$ (40,360)	$ 1,702
Diluted weighted average common shares outstanding (in shares)	25,323,105	25,379,812
Earnings per common share:
Basic (in dollars per share)	$ 1.13	$ 0.75
Diluted (in dollars per share)	$ 1.12	$ 0.74