RESIDENTIAL MORTGAGE LOANS - Schedule of Components of Gain on Originated Residential Mortgage Loans, HFS, Net (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Long Lived Assets Held-for-sale [Line Items]
Gain (loss) on residential mortgage loans originated and sold, net	$ (217,515)	$ (93,059)	$ (341,629)	$ (127,373)
Gain (loss) on settlement of residential mortgage loan origination derivative instruments	10,077	(11,483)	(5,447)	(1,579)
MSRs retained on transfer of residential mortgage loans	364,305	202,303	580,244	342,816
Other	5,114	2,302	11,608	(3,141)
Realized gain on sale of originated residential mortgage loans, net	161,981	100,063	244,776	210,723
Gain on originated residential mortgage loans, HFS, net	153,741	178,584	296,199	287,852
Loan origination fees and direct loan origination costs	233,800	94,000	411,500	162,900
Change in fair value of interest rate lock commitments
Long Lived Assets Held-for-sale [Line Items]
Change in fair value of derivative instruments	(14,817)	(19,898)	(7,332)	6,342
Change in fair value of derivative instruments
Long Lived Assets Held-for-sale [Line Items]
Change in fair value of derivative instruments	15,484	70,528	53,394	11,298
Change in fair value of residential mortgage loans
Long Lived Assets Held-for-sale [Line Items]
Change in fair value of residential mortgage loans	$ (8,907)	$ 27,891	$ 5,361	$ 59,489