Segment Reporting - Segment Reconciliations (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Segment Reporting Information [Line Items]
Revenues	$ 68,789	$ 24,010	$ 102,346	$ 49,227
Interest expense	37,142	28,487	73,013	55,462
Interest income	12,671	3,881	26,660	7,341
Net loss before income tax benefit	(1,249)	(21,331)	(93,272)	(35,945)
Benefit for income taxes	(8,550)	0	(23,057)	0
NET INCOME (LOSS)	7,301	(21,331)	(70,215)	(35,945)
Assets	3,718,637		3,718,637		$ 3,635,206
Income (loss) from equity method investment	(1,318)	600	(2,848)	(1,327)
Operating Segments | Secondary Life Insurance
Segment Reporting Information [Line Items]
Revenues	15,230	20,778	30,378	42,961
Interest expense	24,346	21,608	47,039	41,704
Interest income	232	737	847	1,368
Net loss before income tax benefit	(12,446)	(9,000)	(27,167)	(10,623)
Assets	955,032		955,032		904,363
Operating Segments | Beneficient
Segment Reporting Information [Line Items]
Revenues	53,543	3,144	71,952	6,014
Interest expense	12,796	6,879	25,974	13,758
Interest income	12,439	3,144	25,813	5,969
Net loss before income tax benefit	17,621	(3,136)	(52,528)	(9,072)
Assets	2,718,544		2,718,544		2,721,546
Corporate & Other
Segment Reporting Information [Line Items]
Revenues	16	88	16	252
Interest expense	0	0	0	0
Interest income	0	0	0	4
Net loss before income tax benefit	(6,424)	$ (9,195)	(13,577)	$ (16,250)
Assets	$ 45,061		$ 45,061		$ 9,297