Deferred Policy Acquisition Costs (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Deferred Policy Acquisition Costs Disclosures [Abstract]
Beginning balance, net	$ 4,389	$ 4,030
Additions	2,559	1,637
Amortization	(2,522)	(1,990)
Balance, ending, net	$ 4,426	$ 3,677