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v3.23.1

Mortgage Loan Servicing, Origination, and Loans Held for Sale (Tables) | 3 Months Ended
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Mar. 31, 2023
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, 2023 |  | March 31, 2022 |
(Decrease) increase in fair value of MSRs | ​ | $ | (1,290) | ​ | $ | 12,827 | ​
Decay of MSRs | ​ |  | (1,409) | ​ |  | (2,230) | ​
Gain (loss) related to derivatives | ​ | ​ | 145 | ​ | ​ | (11,838) | ​
Net effect on Condensed Consolidated Statements of Net Income | ​ | $ | (2,554) | ​ | $ | (1,241) | ​
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) |  | 2023 |  |  | 2022 |  |
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 | ​ | ​ | 8.24 | years | ​ | ​ | 8.37 | years | ​
Constant Prepayment rate (CPR) | ​ | ​ | 6.6 | % | ​ | ​ | 6.4 | % | ​
Weighted average discount rate | ​ | ​ | 10.0 | % | ​ | ​ | 10.0 | % | ​
Effect on fair value due to change in interest rates | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
25 basis point increase | ​ | $ | 1,012 | ​ | ​ | $ | 774 | ​ | ​
50 basis point increase | ​ | ​ | 1,888 | ​ | ​ | ​ | 1,428 | ​ | ​
25 basis point decrease | ​ | ​ | (1,146) | ​ | ​ | ​ | (902) | ​ | ​
50 basis point decrease | ​ | ​ | (2,422) | ​ | ​ | ​ | (1,938) | ​ | ​

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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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