DEBT OBLIGATIONS (AS RESTATED) - Schedule of Carrying Value of Debt Obligations (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($)
Debt Instrument [Roll Forward]
Beginning balance	$ 26,076,708
Ending balance	31,335,078
Servicer Advances and Excess MSRs
Debt Instrument [Roll Forward]
Beginning balance	2,713,933
Ending balance	2,594,291
MSRs
Debt Instrument [Roll Forward]
Beginning balance	4,800,728
Ending balance	4,452,608
Commercial Notes Receivable
Debt Instrument [Roll Forward]
Beginning balance	317,096
Ending balance	317,324
Real Estate and Other Securities
Debt Instrument [Roll Forward]
Beginning balance	8,762,658
Ending balance	13,202,950
Residential Mortgage Loans and REO
Debt Instrument [Roll Forward]
Beginning balance	5,208,120
Ending balance	6,537,728
Consumer Loans
Debt Instrument [Roll Forward]
Beginning balance	1,106,974
Ending balance	943,821
SFR properties
Debt Instrument [Roll Forward]
Beginning balance	809,708
Ending balance	819,526
Mortgage loans receivable
Debt Instrument [Roll Forward]
Beginning balance	1,856,008
Ending balance	1,981,197
Asset Management
Debt Instrument [Roll Forward]
Beginning balance	501,483
Ending balance	485,633
Secured Financing Agreements
Debt Instrument [Roll Forward]
Beginning balance	12,561,283
Borrowings	34,543,190
Repayments	(28,830,007)
FX remeasurement	(3,877)
Capitalized deferred financing costs, net of amortization	457
Ending balance	18,271,046
Secured Financing Agreements | Servicer Advances and Excess MSRs
Debt Instrument [Roll Forward]
Borrowings	0
Repayments	0
FX remeasurement	0
Capitalized deferred financing costs, net of amortization	0
Secured Financing Agreements | MSRs
Debt Instrument [Roll Forward]
Borrowings	0
Repayments	0
FX remeasurement	0
Capitalized deferred financing costs, net of amortization	0
Secured Financing Agreements | Commercial Notes Receivable
Debt Instrument [Roll Forward]
Beginning balance	317,096
Borrowings	0
Repayments	0
FX remeasurement	0
Capitalized deferred financing costs, net of amortization	228
Ending balance	317,324
Secured Financing Agreements | Real Estate and Other Securities
Debt Instrument [Roll Forward]
Borrowings	22,495,882
Repayments	(18,055,590)
FX remeasurement	0
Capitalized deferred financing costs, net of amortization	0
Secured Financing Agreements | Residential Mortgage Loans and REO
Debt Instrument [Roll Forward]
Borrowings	11,289,428
Repayments	(10,142,463)
FX remeasurement	0
Capitalized deferred financing costs, net of amortization	193
Secured Financing Agreements | Consumer Loans
Debt Instrument [Roll Forward]
Borrowings	0
Repayments	0
FX remeasurement	0
Capitalized deferred financing costs, net of amortization	0
Secured Financing Agreements | SFR properties
Debt Instrument [Roll Forward]
Beginning balance	20,534
Borrowings	7,380
Repayments	0
FX remeasurement	0
Capitalized deferred financing costs, net of amortization	0
Ending balance	27,914
Secured Financing Agreements | Mortgage loans receivable
Debt Instrument [Roll Forward]
Borrowings	750,500
Repayments	(630,375)
FX remeasurement	0
Capitalized deferred financing costs, net of amortization	0
Secured Financing Agreements | Asset Management
Debt Instrument [Roll Forward]
Borrowings	0
Repayments	(1,579)
FX remeasurement	(3,877)
Capitalized deferred financing costs, net of amortization	36
Secured Notes and Bonds Payable
Debt Instrument [Roll Forward]
Borrowings	761,266
Repayments	(1,405,197)
FX remeasurement	(48)
Capitalized deferred financing costs, net of amortization	5,517
Unrealized (gain) loss on notes, fair value	(411)
Secured Notes and Bonds Payable | Servicer Advances and Excess MSRs
Debt Instrument [Roll Forward]
Borrowings	558,186
Repayments	(678,740)
FX remeasurement	0
Capitalized deferred financing costs, net of amortization	912
Unrealized (gain) loss on notes, fair value	0
Secured Notes and Bonds Payable | MSRs
Debt Instrument [Roll Forward]
Borrowings	200,000
Repayments	(548,902)
FX remeasurement	0
Capitalized deferred financing costs, net of amortization	782
Unrealized (gain) loss on notes, fair value	0
Secured Notes and Bonds Payable | Commercial Notes Receivable
Debt Instrument [Roll Forward]
Borrowings	0
Repayments	0
FX remeasurement	0
Capitalized deferred financing costs, net of amortization	0
Unrealized (gain) loss on notes, fair value	0
Secured Notes and Bonds Payable | Real Estate and Other Securities
Debt Instrument [Roll Forward]
Borrowings	0
Repayments	0
FX remeasurement	0
Capitalized deferred financing costs, net of amortization	0
Unrealized (gain) loss on notes, fair value	0
Secured Notes and Bonds Payable | Residential Mortgage Loans and REO
Debt Instrument [Roll Forward]
Borrowings	0
Repayments	0
FX remeasurement	0
Capitalized deferred financing costs, net of amortization	0
Unrealized (gain) loss on notes, fair value	0
Secured Notes and Bonds Payable | Consumer Loans
Debt Instrument [Roll Forward]
Borrowings	0
Repayments	(163,039)
FX remeasurement	0
Capitalized deferred financing costs, net of amortization	297
Unrealized (gain) loss on notes, fair value	(411)
Secured Notes and Bonds Payable | SFR properties
Debt Instrument [Roll Forward]
Borrowings	0
Repayments	(420)
FX remeasurement	0
Capitalized deferred financing costs, net of amortization	2,858
Unrealized (gain) loss on notes, fair value	0
Secured Notes and Bonds Payable | Mortgage loans receivable
Debt Instrument [Roll Forward]
Borrowings	0
Repayments	0
FX remeasurement	0
Capitalized deferred financing costs, net of amortization	0
Unrealized (gain) loss on notes, fair value	0
Secured Notes and Bonds Payable | Asset Management
Debt Instrument [Roll Forward]
Borrowings	3,080
Repayments	(14,096)
FX remeasurement	(48)
Capitalized deferred financing costs, net of amortization	668
Unrealized (gain) loss on notes, fair value	0
Liabilities of Consolidated Funds
Debt Instrument [Roll Forward]
Beginning balance	3,155,237
Borrowings	241,333
Repayments	(75,214)
Discount on borrowings, net of amortization	1,251
Unrealized (gain) loss on notes, fair value	20,110
Acquired borrowings, net of discount	0
Ending balance	3,342,717
Liabilities of Consolidated Funds | Servicer Advances and Excess MSRs
Debt Instrument [Roll Forward]
Borrowings	0
Repayments	0
Discount on borrowings, net of amortization	0
Unrealized (gain) loss on notes, fair value	0
Acquired borrowings, net of discount	0
Liabilities of Consolidated Funds | MSRs
Debt Instrument [Roll Forward]
Borrowings	0
Repayments	0
Discount on borrowings, net of amortization	0
Unrealized (gain) loss on notes, fair value	0
Acquired borrowings, net of discount	0
Liabilities of Consolidated Funds | Commercial Notes Receivable
Debt Instrument [Roll Forward]
Borrowings	0
Repayments	0
Discount on borrowings, net of amortization	0
Unrealized (gain) loss on notes, fair value	0
Acquired borrowings, net of discount	0
Liabilities of Consolidated Funds | Real Estate and Other Securities
Debt Instrument [Roll Forward]
Borrowings	0
Repayments	0
Discount on borrowings, net of amortization	0
Unrealized (gain) loss on notes, fair value	0
Acquired borrowings, net of discount	0
Liabilities of Consolidated Funds | Residential Mortgage Loans and REO
Debt Instrument [Roll Forward]
Borrowings	241,333
Repayments	(75,214)
Discount on borrowings, net of amortization	1,251
Unrealized (gain) loss on notes, fair value	15,080
Acquired borrowings, net of discount	0
Liabilities of Consolidated Funds | Consumer Loans
Debt Instrument [Roll Forward]
Borrowings	0
Repayments	0
Discount on borrowings, net of amortization	0
Unrealized (gain) loss on notes, fair value	0
Acquired borrowings, net of discount	0
Liabilities of Consolidated Funds | SFR properties
Debt Instrument [Roll Forward]
Borrowings	0
Repayments	0
Discount on borrowings, net of amortization	0
Unrealized (gain) loss on notes, fair value	0
Acquired borrowings, net of discount	0
Liabilities of Consolidated Funds | Mortgage loans receivable
Debt Instrument [Roll Forward]
Beginning balance	318,998
Borrowings	0
Repayments	0
Discount on borrowings, net of amortization	0
Unrealized (gain) loss on notes, fair value	5,064
Acquired borrowings, net of discount	0
Ending balance	324,062
Liabilities of Consolidated Funds | Asset Management
Debt Instrument [Roll Forward]
Borrowings	0
Repayments	0
Discount on borrowings, net of amortization	0
Unrealized (gain) loss on notes, fair value	(34)
Acquired borrowings, net of discount	$ 0