Quarterly report pursuant to Section 13 or 15(d)

MORTGAGE SERVICING RIGHTS - Additional Information (Details)

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MORTGAGE SERVICING RIGHTS - Additional Information (Details) - USD ($)
$ in Billions
9 Months Ended 12 Months Ended
Sep. 30, 2024
Dec. 31, 2023
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]    
Mortgage servicing rights weighted average life 7 years 7 months 6 days 8 years
Unpaid principal balance of mortgage loans serviced $ 91.4 $ 85.0
Subserviced Loans    
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]    
Unpaid principal balance of mortgage loans serviced $ 1.6