Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
REVENUE:
Gross premiums written	$ 318,559	$ 279,617
Change in gross unearned premiums	(6,746)	(667)
Gross premiums earned	311,813	278,950
Ceded premiums earned	(131,091)	(116,275)
Net premiums earned	180,722	162,675
Investment income	7,545	5,686
Investment Income, Net	7,295	5,443
Net realized gains (losses)	181	211
Unrealized Gain (Loss) on Securities	10,173	(2,444)
Other revenue	3,950	13,999
Total revenue	202,321	180,127
EXPENSES:
Losses and loss adjustment expenses	104,547	77,246
Policy acquisition costs	55,246	57,135
Operating expenses	10,211	8,318
General and administrative expenses	17,581	23,325
Interest expense	2,409	2,458
Total expenses	189,994	168,482
Income (loss) before other income	12,327	11,645
Other income	6	71
Income (loss) before income taxes	12,333	11,716
Provision for income taxes	2,755	3,347
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest	9,578	8,369
Net income (loss)	9,469	8,369
Net Income (Loss) Attributable to Noncontrolling Interest	109	0
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest	231	0
OTHER COMPREHENSIVE INCOME:
Change in net unrealized gains (losses) on investments	14,322	(23,384)
Reclassification adjustment for net realized investment (gains) losses	(181)	(211)
Income tax benefit (expense) related to items of other comprehensive income	(3,459)	5,923
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	20,260	(9,303)
Total comprehensive income	$ 20,029	$ (9,303)
Weighted-average shares outstanding
Weighted-average shares outstanding	42,696,681	42,581,939
Weighted-average diluted shares	42,986,484	42,748,627
Earnings Per Share
Basic earnings per share	$ 0.22	$ 0.20
Diluted earnings per share	0.22	0.20
Dividends declared per share (in usd per share)	$ 0.06	$ 0.06