Schedule of Net Investment Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Investment income (loss):
Net investment (loss) income	$ (3,714)	$ 2,241	$ (6,059)	$ 4,091
Loss On Fed Nat Common Stock [Member]
Investment income (loss):
Net investment (loss) income	(5,914)	(693)	(8,791)	(2,554)
Gain On Fed Nat Common Stock [Member]
Investment income (loss):
Net investment (loss) income	5,299		8,073
Unrealized Holding Gain On Private Placement Investments [Member]
Investment income (loss):
Net investment (loss) income		1,513		5,116
Equity Method Earnings (loss) [Member]
Investment income (loss):
Net investment (loss) income	(3,074)	1,362	(5,146)	1,457
Other Investment Income [Member]
Investment income (loss):
Net investment (loss) income	$ (25)	$ 59	$ (195)	$ 72