WAREHOUSE LINES OF CREDIT, NET - Schedule of Warehouse Lines of Credit (Details) - USD ($)	3 Months Ended
Mar. 31, 2025	Dec. 31, 2024
Warehouse Lines of Credit [Line Items]
Warehouse lines of credit, net	$ 1,224,127,000	$ 1,414,563,000
Warehouse Agreement Borrowings
Warehouse Lines of Credit [Line Items]
Warehouse lines of credit	1,226,643,000	1,417,453,000
Debt issuance costs	(2,516,000)	(2,890,000)
Warehouse lines of credit, net	1,224,127,000	1,414,563,000
Warehouse Agreement Borrowings \| Master Repurchase Facility Agreement $250 Million Due January 2026
Warehouse Lines of Credit [Line Items]
Borrowing capacity	250,000,000
Warehouse lines of credit	177,280,000	84,257,000
Warehouse Agreement Borrowings \| Master Repurchase Facility Agreement, $250 Million, Due August 2025
Warehouse Lines of Credit [Line Items]
Borrowing capacity	250,000,000
Warehouse lines of credit	184,220,000	164,382,000
Minimum deposit required for line of credit	1,300,000
Warehouse Agreement Borrowings \| Master Repurchase Facility Agreement, $400 Million, Due August 2025
Warehouse Lines of Credit [Line Items]
Borrowing capacity	400,000,000
Warehouse lines of credit	244,041,000	287,631,000
Minimum deposit required for line of credit	2,000,000.0
Warehouse Agreement Borrowings \| Master Repurchase Facility Agreement, $60 Million, Due May 2025
Warehouse Lines of Credit [Line Items]
Borrowing capacity	60,000,000
Warehouse lines of credit	29,674,000	99,084,000
Minimum deposit required for line of credit	$ 250,000
Warehouse Agreement Borrowings \| Master Repurchase Facility Agreement, $60 Million, Due May 2025 \| Minimum
Warehouse Lines of Credit [Line Items]
Variable rate, floor	2.15%
Warehouse Agreement Borrowings \| Master Repurchase Facility Agreement, $60 Million, Due May 2025 \| Maximum
Warehouse Lines of Credit [Line Items]
Variable rate, floor	3.50%
Warehouse Agreement Borrowings \| Master Repurchase Facility Agreement, $140 Million, Due May 2025
Warehouse Lines of Credit [Line Items]
Borrowing capacity	$ 140,000,000
Warehouse lines of credit	$ 56,969,000	0
Variable rate, floor	0.60%
Warehouse Agreement Borrowings \| Master Repurchase Facility Agreement $200 Million Due September 2025
Warehouse Lines of Credit [Line Items]
Borrowing capacity	$ 200,000,000
Warehouse lines of credit	$ 90,143,000	89,597,000
Variable rate, floor	0.40%
Warehouse Agreement Borrowings \| Master Repurchase Facility Agreement, $350 Million, Due September 2025
Warehouse Lines of Credit [Line Items]
Borrowing capacity	$ 350,000,000
Warehouse lines of credit	$ 84,398,000	245,821,000
Variable rate, floor	0.50%
Warehouse Agreement Borrowings \| Master Repurchase Facility Agreement, $300 Million
Warehouse Lines of Credit [Line Items]
Borrowing capacity	$ 300,000,000
Warehouse lines of credit	$ 69,213,000	201,778,000
Maturity, period from written notice	30 days
Warehouse Agreement Borrowings \| Master Repurchase Facility Agreement, $200 Million, Due October 2025
Warehouse Lines of Credit [Line Items]
Borrowing capacity	$ 200,000,000
Warehouse lines of credit	$ 89,417,000	83,410,000
Variable rate, floor	0.75%
Warehouse Agreement Borrowings \| Master Repurchase Facility Agreement, $75 Million
Warehouse Lines of Credit [Line Items]
Borrowing capacity	$ 75,000,000
Warehouse lines of credit	$ 12,569,000	22,216,000
Stated interest rate	3.375%
Maximum term of buyout transactions on facility	5 years
Warehouse Agreement Borrowings \| Master Repurchase Facility Agreement, $350 Million, Due November 2025
Warehouse Lines of Credit [Line Items]
Borrowing capacity	$ 350,000,000
Warehouse lines of credit	$ 184,631,000	138,201,000
Variable rate, floor	0.50%
Warehouse Agreement Borrowings \| Master Repurchase Facility Agreement, $200 Million, Due November 2025
Warehouse Lines of Credit [Line Items]
Borrowing capacity	$ 200,000,000
Warehouse lines of credit	$ 4,088,000	$ 1,076,000
Variable rate, floor	3.00%

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