Discontinued Operations - Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Assets
Total assets	$ 21,584	$ 19,719
Liabilities
Total liabilities	31,578	22,256
Insurance Operations, U.K. | Discontinued operation
Assets
Total cash and investments	10,428	10,436
Other assets	11,156	9,283
Total assets	21,584	19,719
Liabilities
Unpaid losses and loss adjustment expenses	24,169	14,030
Other liabilities	7,409	8,226
Total liabilities	$ 31,578	$ 22,256