Reinsurance - Schedule of Ceded Premiums Earned by Type (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Effects of Reinsurance
Ceded premiums written	$ (168,706)	$ (136,792)	$ (174,873)	$ (140,643)
Decrease in ceded unearned premiums	128,176	103,753	97,209	76,627
Ceded premiums earned	40,530	33,039	77,664	64,016
Excess-of-Loss
Effects of Reinsurance
Ceded premiums written	(162,993)	(131,213)	(165,119)	(131,274)
Equipment & Identity Theft
Effects of Reinsurance
Ceded premiums written	(1,604)	(1,156)	(2,798)	(1,917)
Flood
Effects of Reinsurance
Ceded premiums written	$ (4,109)	$ (4,423)	$ (6,956)	$ (7,452)