Annual report [Section 13 and 15(d), not S-K Item 405]

FAIR VALUE MEASUREMENTS - Summary of Assets and Liabilities Measured at Fair Value on Recurring Basis (Details)

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FAIR VALUE MEASUREMENTS - Summary of Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Assets:      
Mortgage loans held for sale $ 1,523,447 $ 901,227 $ 845,775
Reverse mortgage loans held for investment 451,704 315,912 0
Mortgage servicing rights 1,343,829 1,161,357 1,139,539
Liabilities:      
HMBS-related borrowings 425,979 302,183 $ 0
Recurring Fair Value Measurements      
Assets:      
Mortgage loans held for sale 1,523,447 901,227  
Reverse mortgage loans held for investment 451,704 315,912  
Mortgage servicing rights 1,343,829 1,161,357  
Derivative assets      
Notes receivable 11,894 10,627  
Total assets at fair value 3,347,912 2,404,718  
Liabilities:      
HMBS-related borrowings 425,979 302,183  
Derivative liabilities      
Forward delivery commitments and best efforts sales commitments 2,487 16,245  
Contingent liabilities due to acquisitions 27,983 8,720  
Total liabilities at fair value 456,449 327,148  
Recurring Fair Value Measurements | Interest Rate Lock Commitments      
Derivative assets      
Derivative Asset 7,964 14,902  
Recurring Fair Value Measurements | Forward delivery commitments and best efforts sales commitments      
Derivative assets      
Derivative Asset 9,074 693  
Recurring Fair Value Measurements | Level 1      
Assets:      
Mortgage loans held for sale 0 0  
Reverse mortgage loans held for investment 0 0  
Mortgage servicing rights 0 0  
Derivative assets      
Notes receivable 0 0  
Total assets at fair value 0 0  
Liabilities:      
HMBS-related borrowings 0 0  
Derivative liabilities      
Forward delivery commitments and best efforts sales commitments 0 0  
Contingent liabilities due to acquisitions 0 0  
Total liabilities at fair value 0 0  
Recurring Fair Value Measurements | Level 1 | Interest Rate Lock Commitments      
Derivative assets      
Derivative Asset 0 0  
Recurring Fair Value Measurements | Level 1 | Forward delivery commitments and best efforts sales commitments      
Derivative assets      
Derivative Asset 0 0  
Recurring Fair Value Measurements | Level 2      
Assets:      
Mortgage loans held for sale 1,523,447 901,227  
Reverse mortgage loans held for investment 0 0  
Mortgage servicing rights 0 0  
Derivative assets      
Notes receivable 0 0  
Total assets at fair value 1,532,521 901,920  
Liabilities:      
HMBS-related borrowings 0 0  
Derivative liabilities      
Forward delivery commitments and best efforts sales commitments 2,487 16,245  
Contingent liabilities due to acquisitions 0 0  
Total liabilities at fair value 2,487 16,245  
Recurring Fair Value Measurements | Level 2 | Interest Rate Lock Commitments      
Derivative assets      
Derivative Asset 0 0  
Recurring Fair Value Measurements | Level 2 | Forward delivery commitments and best efforts sales commitments      
Derivative assets      
Derivative Asset 9,074 693  
Recurring Fair Value Measurements | Level 3      
Assets:      
Mortgage loans held for sale 0 0  
Reverse mortgage loans held for investment 451,704 315,912  
Mortgage servicing rights 1,343,829 1,161,357  
Derivative assets      
Notes receivable 11,894 10,627  
Total assets at fair value 1,815,391 1,502,798  
Liabilities:      
HMBS-related borrowings 425,979 302,183  
Derivative liabilities      
Forward delivery commitments and best efforts sales commitments 0 0  
Contingent liabilities due to acquisitions 27,983 8,720  
Total liabilities at fair value 453,962 310,903  
Recurring Fair Value Measurements | Level 3 | Interest Rate Lock Commitments      
Derivative assets      
Derivative Asset 7,964 14,902  
Recurring Fair Value Measurements | Level 3 | Forward delivery commitments and best efforts sales commitments      
Derivative assets      
Derivative Asset $ 0 $ 0