Effects of Reinsurance on Losses (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Insurance [Abstract]
Net Direct Unpaid Losses and LAE	$ 72,373	$ 49,734	$ 42,954
Net Assumed Unpaid Losses and LAE	4,419	4,702	4,497
Liability for Unpaid Claims and Claims Adjustment Expense, Gross	76,792	54,436	47,451	$ 35,692
Net Ceded Unpaid Losses and LAE	(2,114)	(1,252)	(1,957)
Liability for Unpaid Claims and Claims Adjustment Expense, Net	74,678	53,184	45,494
Direct Unearned Premiums, Net	287,148	212,201	173,206
Assumed Unearned Premiums, Net	17,506	17,285	20,222
Unearned Premiums, Gross	304,654	229,486	193,428
Ceded Unearned Premiums, Net	(79,400)	(63,827)	(55,268)
Unearned Premiums, Net	$ 225,254	$ 165,659	$ 138,160