Discontinued Operations - Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Net income (loss)
Net income (loss) from discontinued operations	$ 257	$ (255)
Assets
Total assets	23,342		$ 21,584
Liabilities
Total liabilities	33,758		31,578
Insurance Operations, U.K. | Discontinued operation
Net income (loss)
Net income (loss) from discontinued operations	300	$ (300)
Assets
Cash and investments	10,080		10,428
Other assets	13,262		11,156
Total assets	23,342		21,584
Liabilities
Reserve for unpaid losses and loss adjustment expenses	24,149		24,169
Other liabilities	9,609		7,409
Total liabilities	$ 33,758		$ 31,578