Reserve for Losses and Loss Adjustment Expenses (Details 2) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Liability for Future Policy Benefits and Unpaid Claims and Claims Adjustment Expense [Abstract]
Incurred claims and claim adjustment expenses	$ 6,096	$ 3,222
Favorable prior year development	9,490	4,727
Reserve for losses and LAE, for prior years	$ 12,600	$ 9,800