Deferred Policy Acquisition Costs - Activity in Deferred Policy Acquisition Costs (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance at beginning of period	$ 12,102	$ 5,679
Deferred policy acquisition costs	6,122	3,036
Amortization of policy acquisition costs	(6,003)	(2,595)
Net change	119	441
Balance at end of period	$ 12,221	$ 6,120