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Mortgage Servicing Rights - Sensitivity Analysis (Details) - MSR asset - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Sensitivity analysis      
Constant prepayment rate: Impact of 10% adverse change $ (999)   $ (899)
Constant prepayment rate: Impact of 20% adverse change (1,907)   (1,714)
Discount rate: Impact of 10% adverse change (783)   (651)
Discount rate: Impact of 20% adverse change (1,504)   $ (1,253)
Contractually specified servicing fees, late fees and ancillary fees $ 1,600 $ 1,000