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Long-term debt | 12 Months Ended
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Dec. 31, 2023
Long-term debt |
Long-term debt | 10. Long-term debt: Long-term debt, consisting of advances from the FHLB, at December 31, 2023 and 2022 is as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Interest Rate | ​ |  | ​ | ​ |  | ​ | ​ |
(Dollars in thousands, except percents) |  | Fixed | ​ | ​ | ​ | December 31, 2023 | ​ | ​ | December 31, 2022 |
March 2023 | ​ | 4.69 | % | ​ | $ | ​ | ​ | $ | 555 | ​
March 2025 | ​ | 4.37 | ​ | ​ | ​ | 10,000 | ​ | ​ | ​ | ​
March 2026 | ​ | 4.20 | ​ | ​ | ​ | 15,000 | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | $ | 25,000 | ​ | $ | 555 | ​
​ Maturities of long-term debt, by contractual maturity, in years subsequent to December 31, 2023 are as follows: ​
​ | ​ | ​ | ​ | ​
(Dollars in thousands) | ​ | ​ | ​ | ​
2025 | ​ | $ | 10,000 | ​
2026 | ​ |  | 15,000 | ​
​ | ​ | $ | 25,000 | ​
​ The FHLB advances are not convertible and have a fixed rate. There were two new long-term advances entered into with the FHLB during 2023 and none in 2022.

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- Definition The entire disclosure for long-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 470 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//470/tableOfContent + Details
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