Reserve for Losses and Loss Adjustment Expenses (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2016 USD ($) loan	Jun. 30, 2015 USD ($) loan
Reconciliation of the beginning and ending reserve balances for losses and loss adjustment expenses (LAE)
Reserve for losses and LAE at beginning of period	$ 17,760	$ 8,427
Net reserve for losses and LAE at beginning of period	17,760	8,427
Add provision for losses and LAE, net of reinsurance, occurring in:
Current period	9,568	6,079
Prior years	(2,873)	(1,766)
Net incurred losses during the current period	6,695	4,313
Deduct payments for losses and LAE, net of reinsurance, occurring in:
Current period	112	140
Prior years	1,869	669
Net loss and LAE payments during the current period	1,981	809
Net reserve for losses and LAE at end of period	22,474	11,931
Reserve for losses and LAE at end of period	$ 22,474	$ 11,931
Loans in default at end of period | loan	1,174	605
Reserve for losses and LAE, for prior years	$ 13,000	$ 6,000