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

FAIR VALUE MEASUREMENTS - Summary of Fair Value Option for Mortgage Loans Held for Sale (Details)

v3.25.0.1
FAIR VALUE MEASUREMENTS - Summary of Fair Value Option for Mortgage Loans Held for Sale (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Fair Value, Option, Quantitative Disclosures [Line Items]      
Mortgage loans held for sale, at fair value $ 1,523,447 $ 901,227 $ 845,775
Reverse mortgage loans held for investment, at fair value 451,704 315,912 0
HMBS-related borrowings 425,979 302,183 $ 0
Recurring Fair Value Measurements      
Fair Value, Option, Quantitative Disclosures [Line Items]      
Mortgage loans held for sale, at fair value 1,523,447 901,227  
Reverse mortgage loans held for investment, at fair value 451,704 315,912  
Notes receivable 11,894 10,627  
HMBS-related borrowings 425,979 302,183  
Mortgage Loans Held For Sale      
Fair Value, Option, Quantitative Disclosures [Line Items]      
Mortgages held for sale unpaid principal balance 1,529,592 892,816  
Gain loss on mortgage loans held for sale at fair value (6,145) 8,411  
Fair value, option, loans held as assets, 90 days or more past due 5,700 7,300  
Mortgages held for sale unpaid principal balance due 7,300 9,900  
Reverse Mortgage Loans Held For Investment      
Fair Value, Option, Quantitative Disclosures [Line Items]      
Gain loss on mortgage loans held for sale at fair value 30,897 25,005  
Reverse mortgage loans held for investment, unpaid principal balance 420,807 290,907  
Fair value, option, loans held as assets, 90 days or more past due 6,400 3,400  
Loans held for investment, that were 90 days or more past due, unpaid principal balance 6,100 3,300  
Notes Receivable      
Fair Value, Option, Quantitative Disclosures [Line Items]      
Gain loss on mortgage loans held for sale at fair value (343) (929)  
Notes receivable, unpaid principal balance 12,237 11,556  
Debt      
Fair Value, Option, Quantitative Disclosures [Line Items]      
Gain loss on mortgage loans held for sale at fair value 9,231 8,641  
HMBS related borrowings, unpaid principal balance $ 416,748 $ 293,542