Consolidated Statements of Income and Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenues
Net premiums earned	$ 256,853	$ 245,222	$ 502,020	$ 481,666
Investment income, net of investment expenses	17,249	12,184	30,741	24,769
Net realized investment gains (losses) (includes reclassifications for net unrealized investment gains/(losses) on available-for-sale securities of ($196) and ($159) in 2018 and $1,975 and $5,380 in 2017; previously included in accumulated other comprehensive income)	1,297	1,081	(6,567)	3,330
Total revenues	275,399	258,487	526,194	509,765
Benefits, Losses and Expenses
Losses and loss settlement expenses	189,146	188,596	333,874	345,148
Amortization of deferred policy acquisition costs	50,810	51,398	100,449	101,859
Other underwriting expenses (includes reclassifications for employee benefit costs of $1,661 and $3,321 in 2018 and $1,352 and $2,704 in 2017; previously included in accumulated other comprehensive income)	37,252	22,824	72,107	44,083
Total benefits, losses and expenses	277,208	262,818	506,430	491,090
Income (loss) from continuing operations before income taxes	(1,809)	(4,331)	19,764	18,675
Federal income tax benefit (includes reclassifications of $390 and $731 in 2018 and ($219) and ($937) in 2017; previously included in accumulated other comprehensive income)	(1,966)	(4,440)	(757)	(18)
Income from continuing operations	157	109	20,521	18,693
Income (loss) from discontinued operations, net of taxes	0	2,849	(1,912)	4,201
Gain on sale of discontinued operations, net of taxes	0	0	27,307	0
Net income	157	2,958	45,916	22,894
Other comprehensive income
Change in net unrealized appreciation on investments	(6,199)	30,653	(58,013)	45,619
Change in liability for underfunded employee benefit plans	0	0	0	0
Other comprehensive income (loss), before tax and reclassification adjustments	(6,199)	30,653	(58,013)	45,619
Income tax effect	1,301	(10,729)	12,182	(15,967)
Other comprehensive income (loss), after tax, before reclassification adjustments	(4,898)	19,924	(45,831)	29,652
Reclassification adjustment for net realized investment (gains) losses included in income	196	(1,975)	159	(5,380)
Reclassification adjustment for employee benefit costs included in expense	1,661	1,352	3,321	2,704
Total reclassification adjustments, before tax	1,857	(623)	3,480	(2,676)
Income tax effect	(390)	219	(731)	937
Total reclassification adjustments, after tax	1,467	(404)	2,749	(1,739)
Comprehensive income (loss)	$ (3,274)	$ 22,478	$ 2,834	$ 50,807
Diluted weighted average common shares outstanding (in shares)	25,611,773	25,624,686	25,582,708	25,752,525
Earnings per common share from continuing operations:
Basic (in dollars per share)	$ 0.01	$ 0.01	$ 0.82	$ 0.74
Diluted (in dollars per share)	0.01	0.01	0.80	0.73
Earnings per common share:
Basic (in dollars per share)	0.01	0.12	1.84	0.91
Diluted (in dollars per share)	$ 0.01	$ 0.12	$ 1.80	$ 0.89