Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Revenue
Gross earned premiums	$ 114,737	$ 104,713	$ 89,216
Ceded earned premiums	(23,008)	(15,086)	(22,451)
Net earned premiums	91,729	89,627	66,765
Net investment income	2,728	2,173	1,902
Net realized investment gains	70	1,365	285
Other gains (losses)	750	(400)	104
Other income	1,560	1,118	1,667
Total revenue	96,837	93,883	70,723
Expenses
Losses and loss adjustment expenses, net	73,917	59,003	38,882
Policy acquisition costs	26,245	25,280	16,183
Operating expenses	17,367	17,596	14,806
Interest expense	1,362	647	769
Total expenses	118,891	102,526	70,640
Income (loss) before income taxes	(22,054)	(8,643)	83
Income tax expense (benefit)	(447)	(77)	48
Equity earnings (losses) in affiliates, net of tax	65	129	(52)
Net income (loss)	(21,542)	(8,437)	(17)
Less net loss attributable to noncontrolling interest		0	(81)
Net income (loss) attributable to Conifer	(21,542)	(8,437)	64
Net income (loss) allocable to common shareholders	$ (21,542)	$ (8,437)	$ (476)
Earnings (loss) per common share, basic and diluted (in dollars per share)	$ (2.74)	$ (1.11)	$ (0.09)
Weighted average common shares outstanding, basic and diluted (in shares)	7,867,344	7,618,588	5,369,960