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Regulatory matters (Tables) | 9 Months Ended
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Sep. 30, 2025
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 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, 2025 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 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 | ​ | $ | 433,211 | ​ | 11.01 | % | ​ | $ | 177,062 |  | 4.50 | % | ​ | ​ | NA | ​ | NA | ​
Bank | ​ |  | 514,266 | ​ | 13.09 | ​ | ​ |  | 176,791 |  | 4.50 | ​ | ​ | $ | 255,365 |  | 6.50 | %
Tier 1 capital to risk-weighted assets: |  | ​ | ​ | ​ | ​ |  | ​ | ​ | ​ |  | ​ |  | ​ | ​ | ​ |  | ​ | ​
Company | ​ | ​ | 443,211 | ​ | 11.26 | ​ | ​ | ​ | 236,169 |  | 6.00 | ​ | ​ | ​ | NA | ​ | NA | ​
Bank | ​ |  | 514,266 | ​ | 13.09 | ​ | ​ |  | 235,722 |  | 6.00 | ​ | ​ | ​ | 314,295 |  | 8.00 | ​
Total capital to risk-weighted assets: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Company | ​ |  | 564,792 | ​ | 14.35 | ​ | ​ |  | 314,867 |  | 8.00 | ​ | ​ | ​ | NA | ​ | NA | ​
Bank | ​ |  | 552,736 | ​ | 14.07 | ​ | ​ |  | 314,278 |  | 8.00 | ​ | ​ |  | 392,847 |  | 10.00 | ​
Tier 1 capital to average assets: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Company | ​ |  | 443,211 | ​ | 8.87 | ​ | ​ |  | 199,870 |  | 4.00 | ​ | ​ | ​ | NA | ​ | NA | ​
Bank | ​ | ​ | 514,266 | ​ | 10.31 | ​ | ​ | ​ | 199,521 |  | 4.00 | ​ | ​ | ​ | 249,402 |  | 5.00 | ​
NA = not applicable | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 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 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ ​ ​

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