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Regulatory matters (Tables) | 12 Months Ended
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Dec. 31, 2024
Regulatory matters |
Schedule of actual capital ratios and the minimum ratios required for capital adequacy purposes and to be well capitalized under the prompt corrective action provisions | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2024 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Minimum to be Well |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Capitalized under |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Minimum For Capital | ​ | ​ | Prompt Corrective |
​ | ​ | Actual | ​ | ​ | Adequacy Purposes | ​ | ​ | Action Provisions |
(Dollars in thousands, except percents) | ​ | Amount | ​ | Ratio | ​ | ​ | Amount | ​ | Ratio | ​ | ​ | Amount | ​ | Ratio |
Common equity Tier 1 capital to risk-weighted assets: |  | ​ | ​ |  | ​ |  | ​ | ​ | ​ |  | ​ |  | ​ | ​ | ​ |  | ​ | ​
Company | ​ | $ | 399,461 | ​ | 10.16 | % | ​ | $ | 176,971 |  | 4.50 | % | ​ | ​ | NA | ​ | NA | ​
Bank | ​ |  | 429,958 | ​ | 10.95 | ​ | ​ |  | 176,640 |  | 4.50 | ​ | ​ | $ | 255,147 |  | 6.50 | %
Tier 1 capital to risk-weighted assets: |  | ​ | ​ | ​ | ​ |  | ​ | ​ | ​ |  | ​ |  | ​ | ​ | ​ |  | ​ | ​
Company | ​ | ​ | 409,461 | ​ | 10.41 | ​ | ​ | ​ | 235,962 |  | 6.00 | ​ | ​ | ​ | NA | ​ | NA | ​
Bank | ​ |  | 429,958 | ​ | 10.95 | ​ | ​ |  | 235,520 |  | 6.00 | ​ | ​ | ​ | 314,027 |  | 8.00 | ​
Total capital to risk-weighted assets: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Company | ​ |  | 485,117 | ​ | 12.34 | ​ | ​ |  | 314,616 |  | 8.00 | ​ | ​ | ​ | NA | ​ | NA | ​
Bank | ​ |  | 472,614 | ​ | 12.04 | ​ | ​ |  | 314,027 |  | 8.00 | ​ | ​ |  | 392,534 |  | 10.00 | ​
Tier 1 capital to average assets: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Company | ​ |  | 409,461 | ​ | 7.97 | ​ | ​ |  | 205,493 |  | 4.00 | ​ | ​ | ​ | NA | ​ | NA | ​
Bank | ​ | ​ | 429,958 | ​ | 8.37 | ​ | ​ | ​ | 205,431 |  | 4.00 | ​ | ​ | ​ | 256,788 |  | 5.00 | ​
NA = not applicable | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2023 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Minimum to be Well |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Capitalized under |
​ | ​ | ​ | ​ | ​ | ​ | ​ | Minimum For Capital | ​ | Prompt Corrective |
​ | ​ | Actual | ​ | Adequacy Purposes | ​ | Action Provisions |
(Dollars in thousands, except percents) | ​ | Amount | ​ | Ratio | ​ | Amount | ​ | Ratio | ​ | Amount | ​ | Ratio |
Common equity Tier 1 capital to risk-weighted assets: |  | ​ | ​ |  | ​ |  | ​ | ​ |  | ​ |  | ​ | ​ |  | ​ | ​
Company | ​ | $ | 321,403 |  | 12.10 | % | $ | 119,577 |  | 4.50 | % | ​ | NA | ​ | NA | ​
Bank | ​ |  | 353,330 |  | 13.30 | ​ |  | 119,561 |  | 4.50 | ​ | $ | 172,699 |  | 6.50 | %
Tier 1 capital to risk-weighted assets: |  | ​ | ​ |  | ​ |  | ​ | ​ |  | ​ |  | ​ | ​ |  | ​ | ​
Company | ​ | ​ | 321,403 |  | 12.10 | ​ | ​ | 159,436 |  | 6.00 | ​ | ​ | NA | ​ | NA | ​
Bank | ​ |  | 353,330 |  | 13.30 | ​ |  | 159,414 |  | 6.00 | ​ | ​ | 212,552 |  | 8.00 | ​
Total capital to risk-weighted assets: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Company | ​ |  | 376,341 |  | 14.16 | ​ |  | 212,581 |  | 8.00 | ​ | ​ | NA | ​ | NA | ​
Bank | ​ |  | 375,268 |  | 14.12 | ​ |  | 212,552 |  | 8.00 | ​ |  | 265,690 |  | 10.00 | ​
Tier 1 capital to average assets: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Company | ​ |  | 321,403 |  | 8.50 | ​ |  | 151,252 |  | 4.00 | ​ | ​ | NA | ​ | NA | ​
Bank | ​ | ​ | 353,330 |  | 9.34 | ​ | ​ | 151,274 |  | 4.00 | ​ | ​ | 189,093 |  | 5.00 | ​
NA = not applicable | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
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