OTHER INCOME (LOSS), GENERAL AND ADMINISTRATIVE, OTHER ASSETS AND LIABILITIES - Schedule of Other Assets and Liabilities (Details) - USD ($) $ in Thousands		Sep. 30, 2020	Dec. 31, 2019
Other Assets
Margin receivable, net		$ 48,050	$ 280,176
Servicing fee receivables		113,994	159,607
Due from servicers		92,500	163,961
Principal and interest receivable		64,391	85,191
Equity investment		59,771	114,763
Other receivables		109,530	117,045
Real Estate Owned		49,872	93,672
Single-family rental properties		25,570	24,133
Goodwill		29,468	29,737
Notes Receivable		50,516	37,001
Warrants, at fair value		22,799	28,042
Recovery asset		15,310	23,100
Property and equipment		27,279	18,018
Receivable from government agency		16,823	19,670
Intangible assets		35,074	40,963
Prepaid expenses		21,757	19,249
Operating lease right-of-use assets		27,218	32,120
Derivative assets (Note 10)		255,496	41,501
Ocwen common stock, at fair value		8,172	7,952
Deferred tax asset, net		49,545	8,669
Other assets		38,798	51,230
Other Assets		1,161,933	1,395,800
Accrued Expenses and Other Liabilities
MSR purchase price holdback		31,167	75,348
Interest payable		33,195	68,668
Accounts payable		120,116	119,771
Derivative liabilities (Note 10)		37,820	6,885
Due to servicers		65,212	85,728
Due to Agencies		25,659	42,118
Contingent Consideration		13,628	55,222
Accrued compensation and benefits		71,184	41,228
Excess spread financing, at fair value		20,129	31,777
Operating Lease, Liability		31,901	38,520
Reserve for sales recourse		9,624	12,549
Reserve for servicing losses		19,657	0
Other liabilities		18,546	22,976
Accrued Expenses and Other Liabilities	[1]	$ 497,838	$ 600,790

[1] See Note 13 regarding consolidated VIEs.