Schedule II - Condensed Financial Information of Registrant (Parent Company Only) (Statements of Operations) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Investment income, net of expenses	$ 12,920	$ 20,604
Management fee income	5,705	7,026
Total revenues	478,745	486,371
Interest expense	5,326	5,410
Total expenses	592,907	487,403
Income before equity in undistributed earnings of subsidiaries and income tax benefit	(114,162)	(1,032)
Income tax expense	(22,507)	(407)
Net loss	(91,655)	(625)
Parent Company [Member]
Investment income, net of expenses	20	47
Dividend income from subsidiaries	12,000	15,500
Net realized gains	744	830
Management fee income	22,844	16,044
Total revenues	35,608	32,421
Operating expenses	17,101	14,185
Interest expense	5,326	5,410
Total expenses	22,427	19,595
Income before equity in undistributed earnings of subsidiaries and income tax benefit	13,181	12,826
Income tax expense	(5,592)	(732)
Income before equity in undistributed earnings of subsidiaries	18,773	13,558
Equity in undistributed share of loss in subsidiaries	(110,428)	(14,183)
Net loss	(91,655)	(625)
Comprehensive (loss) income	$ (91,960)	$ 6,723