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)

v3.23.1
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
Mar. 31, 2023
Dec. 31, 2022
Transfers and Servicing [Abstract]    
Mortgage servicing rights, Prepayment Speeds, 10% Adverse Change $ (40,761) $ (36,298)
Mortgage servicing rights, Prepayment Speeds, 20% Adverse Change (75,713) (70,878)
Mortgage servicing rights, Discount Rates, 10% Adverse Change (51,606) (50,392)
Mortgage servicing rights, Discount Rates, 20% Adverse Change (95,678) (96,848)
Mortgage servicing rights, Cost to Service (per loan), 10% Adverse Change (15,573) (11,880)
Mortgage servicing rights, Cost to Service (per loan), 20% Adverse Change $ (27,645) $ (24,162)