Quarterly report pursuant to Section 13 or 15(d)

MORTGAGE SERVICING RIGHTS - Summary of Impact of Adverse Changes on Prepayment Speeds, Discount Rate and Cost to Service at Two Different Data Points (Details)

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MORTGAGE SERVICING RIGHTS - Summary of Impact of Adverse Changes on Prepayment Speeds, Discount Rate and Cost to Service at Two Different Data Points (Details) - USD ($)
$ in Thousands
Sep. 30, 2024
Dec. 31, 2023
Transfers and Servicing [Abstract]    
Mortgage servicing rights, Prepayment Speeds 10% Adverse Change $ (39,771) $ (36,968)
Mortgage servicing rights, Prepayment Speeds 20% Adverse Change (80,121) (72,701)
Mortgage servicing rights, Discount Rates 10% Adverse Change (45,412) (47,899)
Mortgage servicing rights, Discount Rates 20% Adverse Change (90,545) (93,196)
Mortgage servicing rights, Cost to Service (per loan) 10% Adverse Change (9,229) (11,315)
Mortgage servicing rights, Cost to Service (per loan) 20% Adverse Change $ (21,791) $ (23,573)