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Other Assets (Tables) | 9 Months Ended
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Sep. 30, 2024
Other Assets. |
Schedule of estimated future amortization expense for MSRs | Amortization of mortgage servicing rights (“MSRs”) was $0.3 million for both three months ended September 30, 2024 and 2023 and $0.8 million for both nine months ended September 30, 2024 and 2023. The estimated future amortization expenses for MSRs over the next five years are as follows: ​
​ | ​ | ​ | ​
​ | ​ | Estimated
(dollars in thousands) |  | Amortization
Under one year | ​ | $ | 785
One to two years | ​ | ​ | 693
Two to three years | ​ | ​ | 610
Three to four years | ​ | ​ | 536
Four to five years | ​ | ​ | 474
Schedule of details of the Company's MSRs | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, | ​ | December 31,
(dollars in thousands) |  | 2024 |  | 2023
Gross carrying amount | ​ | $ | 69,807 | ​ | $ | 69,515
Less: accumulated amortization | ​ | ​ | 64,571 | ​ | ​ | 63,816
Net carrying value | ​ | $ | 5,236 | ​ | $ | 5,699
​ | ​ | ​ | ​ | ​ | ​ | ​
Schedule of changes in amortized MSRs | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended September 30, | ​ | Nine Months Ended September 30,
(dollars in thousands) |  | 2024 |  | 2023 |  | 2024 |  | 2023
Balance at beginning of period | ​ | $ | 5,395 | ​ | $ | 6,072 | ​ | $ | 5,699 | ​ | $ | 6,562
Originations | ​ | ​ | 99 | ​ | ​ | 65 | ​ | ​ | 292 | ​ | ​ | 133
Amortization | ​ | ​ | (258) | ​ | ​ | (282) | ​ | ​ | (755) | ​ | ​ | (840)
Balance at end of period | ​ | $ | 5,236 | ​ | $ | 5,855 | ​ | $ | 5,236 | ​ | $ | 5,855
Fair value of amortized MSRs at beginning of period | ​ | $ | 14,094 | ​ | $ | 14,557 | ​ | $ | 14,308 | ​ | $ | 15,193
Fair value of amortized MSRs at end of period | ​ | $ | 13,258 | ​ | $ | 14,520 | ​ | $ | 13,258 | ​ | $ | 14,520
Schedule of quantitative assumptions used in determining lower of cost or fair value of MSRs | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, 2024 | ​ | December 31, 2023 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | Weighted | ​ | ​ | ​ | ​ | ​ | ​ | Weighted | ​
​ |  | Range | ​ | Average | ​ | Range | ​ | Average | ​
Conditional prepayment rate | ​ | 7.02 | % | - | 13.34 | % | 7.22 | % | 6.87 | % | - | 11.53 | % | 7.04 | %
Life in years (of the MSR) | ​ | 4.42 | ​ | - | 7.08 | ​ | 6.94 | ​ | 4.30 | ​ | - | 7.22 | ​ | 7.09 | ​
Weighted-average coupon rate | ​ | 3.68 | % | - | 5.69 | % | 3.79 | % | 3.57 | % | - | 5.81 | % | 3.73 | %
Discount rate | ​ | 10.35 | % | - | 10.93 | % | 10.39 | % | 10.40 | % | - | 10.60 | % | 10.52 | %

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