Reserve for Losses and Loss Adjustment Expenses - Roll Forward (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Reserve for Losses and Loss Adjustment Expenses
Reserve for losses and loss adjustment expenses net of reinsurance recoverables at beginning of period	$ 3,869	$ 4,165
Add: Incurred losses and loss adjustment expenses, net of reinsurance, related to:
Current year	2,179	278
Prior years	(316)	38
Total incurred	1,863	316
Deduct: Loss and loss adjustment expense payments, net of reinsurance, related to:
Current year	351	106
Prior years	883	2,043
Total payments	1,234	2,149
Reserve for losses and loss adjustment expense net of reinsurance recoverables at end of period	$ 4,498	$ 2,332