Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Net loss	$ (3,361)	$ (1,367)	$ (15,875)	$ (10,679)
Unrealized gains (losses) on fixed maturities and equity investments: [Abstract]
Unrealized losses arising during the period	(44)	(3,262)	(481)	(4,489)
Reclassification adjustment for amounts included in net loss	6	764	(5)	735
Change in fair value of debt attributable to instrument-specific credit risk	658	0
Other comprehensive income (loss)	620	(2,498)	516	(3,754)
Comprehensive loss	(2,741)	(3,865)	(15,359)	(14,433)
Less: comprehensive income attributable to noncontrolling interests in consolidated subsidiaries	200	195	711	57
Comprehensive loss attributable to common shareholders	$ (2,941)	$ (4,060)	(16,070)	(14,490)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax				$ 0
Corporate Segment [Member]
Unrealized gains (losses) on fixed maturities and equity investments: [Abstract]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax			$ 1,002