RESIDENTIAL MORTGAGE LOANS - Schedule of Gain on Sale of Originated Mortgage Loans, Net (Details) - USD ($)	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Long Lived Assets Held-for-sale [Line Items]
Gain (loss) on residential mortgage loans originated and sold, net	$ (159,650,000)	$ (124,113,000)
Gain (loss) on settlement of residential mortgage loan origination derivative instruments	12,789,000	(15,524,000)
MSRs retained on transfer of residential mortgage loans	319,148,000	215,939,000
Other	21,982,000	6,493,000
Realized gain on sale of originated residential mortgage loans, net	194,269,000	82,795,000
Gain on Originated Residential Mortgage Loans, HFS, Net	159,789,000	142,458,000
Loan origination fees and direct loan origination costs	197,600,000	177,700,000
Gain on residential mortgage loan securitizations	15,400,000	0
Change in fair value of interest rate lock commitments
Long Lived Assets Held-for-sale [Line Items]
Change in fair value of derivative instruments	23,093,000	7,485,000
Change in fair value of derivative instruments
Long Lived Assets Held-for-sale [Line Items]
Change in fair value of derivative instruments	(70,172,000)	37,910,000
Change in fair value of residential mortgage loans
Long Lived Assets Held-for-sale [Line Items]
Change in fair value of residential mortgage loans	$ 12,599,000	$ 14,268,000