Consolidated Statements of Income and Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenues
Net premiums earned	$ 268,849	$ 262,314
Investment income, net of investment expenses	2,363	16,512
Net realized investment gains (losses) (includes reclassifications for net unrealized investment gains/(losses) on available-for-sale securities of ($121) in 2020 and $90 in 2019; previously included in accumulated other comprehensive income)	(93,407)	26,713
Total revenues	177,805	305,539
Benefits, Losses and Expenses
Losses and loss settlement expenses	186,503	164,240
Amortization of deferred policy acquisition costs	54,452	52,219
Other underwriting expenses (includes reclassifications for employee benefit costs of $1,072 in 2020 and $1,124 in 2019; previously included in accumulated other comprehensive income)	41,849	34,403
Total benefits, losses and expenses	282,804	250,862
Income (loss) before income taxes	(104,999)	54,677
Federal income tax expense (benefit) (includes reclassifications of $250 in 2020 and $217 in 2019; previously included in accumulated other comprehensive income)	(32,465)	10,156
Net Income (loss)	(72,534)	44,521
Other comprehensive income (loss)
Change in net unrealized appreciation on investments	7,168	33,354
Change in net unrealized appreciation on investments for which an allowance for a credit loss has been recorded	(1,593)	0
Change in liability for underfunded employee benefit plans	0	0
Other comprehensive income, before tax and reclassification adjustments	5,575	33,354
Income tax effect	(1,171)	(7,005)
Other comprehensive income, after tax, before reclassification adjustments	4,404	26,349
Reclassification adjustment for net realized investment (gains) losses included in income	121	(90)
Reclassification adjustment for employee benefit costs included in expense	1,072	1,124
Total reclassification adjustments, before tax	1,193	1,034
Income tax effect	(250)	(217)
Total reclassification adjustments, after tax	943	817
Comprehensive income (loss)	$ (67,187)	$ 71,687
Diluted weighted average common shares outstanding (in shares)	25,014,027	25,604,268
Earnings (loss) per common share:
Basic (in dollars per share)	$ (2.90)	$ 1.77
Diluted (in dollars per share)	$ (2.90)	$ 1.74