OTHER INCOME (LOSS), GENERAL AND ADMINISTRATIVE, OTHER ASSETS AND LIABILITIES - Schedule of Other Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Other income (loss), net
Unrealized gain (loss) on secured notes and bonds payable	$ (5,611)	$ (2,647)	$ 535	$ (5,248)
Unrealized gain (loss) on contingent consideration	(2,079)	(2,703)	(5,949)	(7,430)
Unrealized gain (loss) on equity investments	(4,716)	(500)	(52,413)	(659)
Gain (loss) on transfer of loans to REO	703	1,230	5,010	7,814
Gain (loss) on transfer of loans to other assets	(512)	(101)	(773)	(378)
Gain (loss) on Ocwen common stock	4,342	(1,103)	221	3,134
Provision for servicing losses	(3,734)	25	(19,764)	(901)
Rental and ancillary revenue	23,670	0	63,346	0
Other income (loss)	(6,678)	(24,896)	(24,848)	(23,566)
Total other income (loss), net	$ 5,385	$ (30,695)	$ (34,635)	$ (27,234)