Reinsurance - Schedule of Ceded Premiums Earned by Type (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Effects of Reinsurance
Ceded premiums written	$ (4,330)	$ (1,088)	$ (179,203)	$ (141,731)
Increase (decrease) in ceded unearned premiums	(40,400)	(34,653)	56,809	41,974
Ceded premiums earned	44,730	35,741	122,394	99,757
Excess-of-Loss
Effects of Reinsurance
Ceded premiums written	1,898	4,642	(163,221)	(126,632)
Equipment & Identity Theft
Effects of Reinsurance
Ceded premiums written	(1,723)	(1,221)	(4,521)	(3,138)
Flood
Effects of Reinsurance
Ceded premiums written	$ (4,505)	$ (4,509)	$ (11,461)	$ (11,961)