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Mortgage Loan Servicing, Origination, and Loans Held for Sale (Tables) | 3 Months Ended
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Mar. 31, 2026
Mortgage Loan Servicing, Origination, and Loans Held for Sale |
Summary of changes in the fair value of MSRs and its offsetting hedge | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended
(Dollars in thousands) | ​ ​ ​ | March 31, 2026 | ​ ​ ​ | March 31, 2025
Increase/(decrease) in fair value of MSRs | ​ | $ | 6,563 | ​ | $ | (3,081)
Decay of MSRs | ​ |  | (2,205) | ​ |  | (1,028)
(Loss) gain related to derivatives | ​ | ​ | (1,726) | ​ | ​ | 2,340
Net effect on Consolidated Statements of Income | ​ | $ | 2,632 | ​ | $ | (1,769)
Schedule of characteristics and sensitivity analysis of the MSR | The characteristics and sensitivity analysis of the MSRs are included in the following table.
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | March 31, | ​ | ​ | December 31, | ​ | ​
(Dollars in thousands) | ​ ​ ​ | 2026 | ​ ​ | ​ ​ ​ | 2025 | ​ ​ | ​ ​
Composition of residential loans serviced for others | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Fixed-rate mortgage loans | ​ | ​ | 100.0 | % | ​ | ​ | 100.0 | % | ​
Adjustable-rate mortgage loans | ​ | ​ | — | % | ​ | ​ | — | % | ​
Total | ​ | ​ | 100.0 | % | ​ | ​ | 100.0 | % | ​
Weighted average life | ​ | ​ | 7.5 | years | ​ | ​ | 7.5 | years | ​
Constant Prepayment rate (CPR) | ​ | ​ | 7.9 | % | ​ | ​ | 7.9 | % | ​
Estimated impact on fair value of a 10% increase | ​ | $ | (1,210) | ​ | ​ | $ | (1,082) | ​ | ​
Estimated impact on fair value of a 20% increase | ​ | ​ | (2,469) | ​ | ​ | ​ | (2,101) | ​ | ​
Estimated impact on fair value of a 10% decrease | ​ | ​ | 1,292 | ​ | ​ | ​ | 1,142 | ​ | ​
Estimated impact on fair value of a 20% decrease | ​ | ​ | 2,670 | ​ | ​ | ​ | 2,333 | ​ | ​
Weighted average discount rate | ​ | ​ | 9.5 | % | ​ | ​ | 10.7 | % | ​
Estimated impact on fair value of a 10% increase | ​ | $ | (3,695) | ​ | ​ | $ | (3,140) | ​ | ​
Estimated impact on fair value of a 20% increase | ​ | ​ | (7,098) | ​ | ​ | ​ | (6,208) | ​ | ​
Estimated impact on fair value of a 10% decrease | ​ | ​ | 4,021 | ​ | ​ | ​ | 3,105 | ​ | ​
Estimated impact on fair value of a 20% decrease | ​ | ​ | 8,411 | ​ | ​ | ​ | 5,982 | ​ | ​
Effect on fair value due to change in interest rates | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
25 basis point increase | ​ | $ | 3,265 | ​ | ​ | $ | 2,505 | ​ | ​
50 basis point increase | ​ | ​ | 6,509 | ​ | ​ | ​ | 4,822 | ​ | ​
25 basis point decrease | ​ | ​ | (3,219) | ​ | ​ | ​ | (2,599) | ​ | ​
50 basis point decrease | ​ | ​ | (6,312) | ​ | ​ | ​ | (5,128) | ​ | ​

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- Definition Tabular disclosure of changes in the fair value of Mortgage Servicing Rights (MSRs) and its offsetting hedge. + References No definition available. + Details
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- Definition Tabular disclosure related to composition of residential mortgages serviced for others, characteristics and sensitivity analysis of the mortgage servicing rights. + References No definition available. + Details
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