Consolidated Statements of Income and Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenues
Net premiums earned	$ 263,609	$ 276,486	$ 532,458	$ 538,800
Investment income, net of investment expenses	12,696	14,120	15,059	30,632
Net realized investment gains (losses) (includes reclassifications for net unrealized investment gains/(losses) on available-for-sale securities of $80 and $(41) in 2020 and $37 and $127 in 2019; previously included in accumulated other comprehensive income)	15,779	13,591	(77,628)	40,304
Other income	5,719	0	5,719	0
Total revenues	297,803	304,197	475,608	609,736
Benefits, Losses and Expenses
Losses and loss settlement expenses	204,973	220,009	391,476	384,249
Amortization of deferred policy acquisition costs	51,893	54,795	106,345	107,014
Other underwriting expenses (includes reclassifications for employee benefit costs of $1,072 and $2,144 in 2020 and $1,124 and $2,248 in 2019; previously included in accumulated other comprehensive income)	36,701	33,964	78,550	68,367
Total benefits, losses and expenses	293,567	308,768	576,371	559,630
Income (loss) before income taxes	4,236	(4,571)	(100,763)	50,106
Federal income tax expense (benefit) (includes reclassifications of $207 and $458 in 2020 and $229 and $445 in 2019; previously included in accumulated other comprehensive income)	(1,724)	(375)	(34,189)	9,781
Net Income (loss)	5,960	(4,196)	(66,574)	40,325
Other comprehensive income (loss)
Change in net unrealized appreciation on investments	33,037	28,596	40,205	61,950
Change in net unrealized appreciation on investments for which an allowance for a credit loss has been recorded	1,858	0	265	0
Change in liability for underfunded employee benefit plans	0	0	0	0
Other comprehensive income, before tax and reclassification adjustments	34,895	28,596	40,470	61,950
Income tax effect	(7,329)	(6,004)	(8,499)	(13,009)
Other comprehensive income, after tax, before reclassification adjustments	27,566	22,592	31,971	48,941
Reclassification adjustment for net realized investment (gains) losses included in income	(80)	(37)	41	(127)
Reclassification adjustment for employee benefit costs included in expense	1,072	1,124	2,144	2,248
Total reclassification adjustments, before tax	992	1,087	2,185	2,121
Reclassifications for federal income tax benefit	207	229	458	445
Total reclassification adjustments, after tax	785	858	1,727	1,676
Comprehensive income (loss)	$ 34,311	$ 19,254	$ (32,876)	$ 90,942
Diluted weighted average common shares outstanding (in shares)	25,255,604	25,210,354	25,019,441	25,659,803
Earnings (loss) per common share:
Basic (in dollars per share)	$ 0.24	$ (0.17)	$ (2.66)	$ 1.60
Diluted (in dollars per share)	$ 0.24	$ (0.17)	$ (2.66)	$ 1.57