Consolidated Statements of Income and Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenues
Net premiums earned	$ 276,486	$ 256,853	$ 538,800	$ 502,020
Investment income, net of investment expenses	14,120	17,249	30,632	30,741
Net realized investment gains (losses) (includes reclassifications for net unrealized investment gains/(losses) on available-for-sale securities of $37 and $127 in 2019 and ($196) and ($159) in 2018; previously included in accumulated other comprehensive income)	13,591	1,297	40,304	(6,567)
Total revenues	304,197	275,399	609,736	526,194
Benefits, Losses and Expenses
Losses and loss settlement expenses	220,009	189,146	384,249	333,874
Amortization of deferred policy acquisition costs	54,795	50,810	107,014	100,449
Other underwriting expenses (includes reclassifications for employee benefit costs of $1,124 and $2,248 in 2019 and $1,661 and $3,321 in 2018; previously included in accumulated other comprehensive income)	33,964	37,252	68,367	72,107
Total benefits, losses and expenses	308,768	277,208	559,630	506,430
Income (loss) from continuing operations before income taxes	(4,571)	(1,809)	50,106	19,764
Federal income tax expense (benefit) (includes reclassifications of ($2,325) and ($2,109) in 2019 and $390 and $731 in 2018; previously included in accumulated other comprehensive income)	(375)	(1,966)	9,781	(757)
Income (loss) from continuing operations	(4,196)	157	40,325	20,521
Income (loss) from discontinued operations, net of taxes	0	0	0	(1,912)
Gain on sale of discontinued operations, net of taxes	0	0	0	27,307
Net income (loss)	(4,196)	157	40,325	45,916
Other comprehensive income (loss)
Change in net unrealized appreciation on investments	28,596	(6,199)	61,950	(58,013)
Change in liability for underfunded employee benefit plans	0	0	0	0
Other comprehensive income (loss), before tax and reclassification adjustments	28,596	(6,199)	61,950	(58,013)
Income tax effect	(6,004)	1,301	(13,009)	12,182
Other comprehensive income (loss), after tax, before reclassification adjustments	22,592	(4,898)	48,941	(45,831)
Reclassification adjustment for net realized investment (gains) losses included in income	(37)	196	(127)	159
Reclassification adjustment for employee benefit costs included in expense	1,124	1,661	2,248	3,321
Total reclassification adjustments, before tax	1,087	1,857	2,121	3,480
Income tax effect	(229)	(390)	(445)	(731)
Total reclassification adjustments, after tax	858	1,467	1,676	2,749
Comprehensive income (loss)	$ 19,254	$ (3,274)	$ 90,942	$ 2,834
Diluted weighted average common shares outstanding (in shares)	25,210,354	25,611,773	25,659,803	25,582,708
Earnings per common share from continuing operations
Basic (in dollars per share)	$ (0.17)	$ 0.01	$ 1.60	$ 0.82
Diluted (in dollars per share)	(0.17)	0.01	1.57	0.80
Earnings per common share
Basic (in dollars per share)	(0.17)	0.01	1.60	1.84
Diluted (in dollars per share)	$ (0.17)	$ 0.01	$ 1.57	$ 1.80