Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenue
Gross premiums earned	$ 107,803	$ 83,315	$ 200,168	$ 165,912
Premiums ceded	(34,354)	(31,317)	(65,073)	(62,730)
Net premiums earned	73,449	51,998	135,095	103,182
Net investment income	1,604	4,226	1,412	7,504
Net realized investment gains (losses)	1,435	(133)	(809)	(505)
Net unrealized investment gains (losses)	2,884	1,326	(1,921)	6,619
Credit losses on investments	(87)	0	(526)	0
Policy fee income	847	800	1,676	1,595
Other	585	413	1,170	869
Total revenue	80,717	58,630	136,097	119,264
Expenses
Losses and loss adjustment expenses	39,843	24,293	67,921	51,289
Policy acquisition and other underwriting expenses	12,991	10,077	24,817	19,750
General and administrative personnel expenses	9,731	7,998	18,098	15,362
Interest expense	3,020	2,884	5,990	7,221
Loss on repurchases of convertible senior notes	150	0	150	0
Other operating expenses	3,159	3,063	6,641	6,044
Total expenses	68,894	48,315	123,617	99,666
Income before income taxes	11,823	10,315	12,480	19,598
Income tax expense	2,887	2,762	2,997	5,307
Net income	$ 8,936	$ 7,553	$ 9,483	$ 14,291
Basic earnings per share	$ 1.16	$ 0.93	$ 1.23	$ 1.75
Diluted earnings per share	$ 1.08	$ 0.90	$ 1.23	$ 1.72