Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenues:
Net premiums written	$ 191,743	$ 177,644
Decrease in unearned premiums	14,753	147
Net premiums earned	206,496	177,791
Net investment income	20,633	19,880
Realized investment gains, net	3,135	660
Other income (loss)	(1,424)	2,195
Total revenues	228,840	200,526
Losses and expenses:
Provision for losses and LAE	8,063	7,107
Other underwriting and operating expenses	41,947	41,030
Interest expense	2,132	2,670
Total losses and expenses	52,142	50,807
Income before income taxes	176,698	149,719
Income tax expense	27,175	21,999
Net income	$ 149,523	$ 127,720
Earnings per share:
Basic (in dollars per share)	$ 1.53	$ 1.31
Diluted (in dollars per share)	$ 1.52	$ 1.30
Weighted average shares outstanding:
Basic (in shares)	97,949	97,595
Diluted (in shares)	98,326	98,104
Net income	$ 149,523	$ 127,720
Other comprehensive income (loss):
Change in unrealized (depreciation) appreciation of investments, net of tax (benefit) expense of ($6,979) in 2020 and $7,951 in 2019	(10,074)	38,366
Total other comprehensive income (loss)	(10,074)	38,366
Comprehensive income	$ 139,449	$ 166,086