Consolidated Statements of Income and Comprehensive Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Revenues:
Gross written premiums	$ 168,876	$ 124,036
Ceded written premiums	(24,578)	(15,983)
Net written premiums	144,298	108,053
Change in unearned premiums	(21,257)	(18,292)
Net earned premiums	123,041	89,761
Net investment income	6,942	5,960
Change in the fair value of equity securities	7,091	(16,161)
Net realized investment gains	1,198	776
Other income	11	10
Total revenues	138,283	80,346
Expenses:
Losses and loss adjustment expenses	70,260	53,733
Underwriting, acquisition and insurance expenses	28,136	21,583
Other expenses	448	0
Total expenses	98,844	75,316
Income before income taxes	39,439	5,030
Total income tax expense (benefit)	7,360	(56)
Net income	32,079	5,086
Other comprehensive income (loss):
Change in net unrealized gains on available-for-sale investments, net of taxes	(19,622)	(9,223)
Total comprehensive income (loss)	$ 12,457	$ (4,137)
Earnings per share:
Basic	$ 1.42	$ 0.23
Diluted	$ 1.39	$ 0.22
Weighted average shares outstanding:
Basic	22,665	22,109
Diluted	23,069	22,678