Reserve for Losses and Loss Adjustment Expenses - Total (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2018
Reserve for Losses and Loss Adjustment Expenses
Total reserve for losses and loss adjustment expenses	$ 4,498	$ 3,869	$ 2,332	$ 4,165
Add: Reinsurance recoverables on unpaid losses and loss adjustment expenses at end of period	13,854	12,952	10,296
Reserve for losses and loss adjustment expenses gross of reinsurance recoverables on unpaid losses and loss adjustment expenses at end of period	$ 18,352	$ 16,821	$ 12,628