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Note 12 - Regulatory Capital (Tables) | 9 Months Ended
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Sep. 30, 2025
Notes Tables |
Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block] |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | To be Well Capitalized |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | For Capital |  |  | Under Prompt |
|  |  |  |  |  |  |  |  |  | For Capital |  |  | Adequacy With |  |  | Corrective |
|  | Actual |  |  | Adequacy Purposes |  |  | Capital Buffer |  |  | Action Provisions |
Bank Only |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |
At September 30, 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total risk-based capital (to risk-weighted assets) |  | $ | 382,049 |  |  |  | 13.81 | % |  | $ | 221,372 |  |  |  | 8.00 | % |  | $ | 290,551 |  |  |  | 10.50 | % |  | $ | 276,715 |  |  |  | 10.00 | %
Tier 1 risk-based capital (to risk-weighted assets) |  | $ | 349,690 |  |  |  | 12.64 | % |  | $ | 166,029 |  |  |  | 6.00 | % |  | $ | 235,208 |  |  |  | 8.50 | % |  | $ | 221,372 |  |  |  | 8.00 | %
Tier 1 leverage capital (to average assets) |  | $ | 349,690 |  |  |  | 10.96 | % |  | $ | 127,647 |  |  |  | 4.00 | % |  | $ | N/A |  |  |  | N/A |  |  | $ | 159,558 |  |  |  | 5.00 | %
CET 1 capital (to risk-weighted assets) |  | $ | 349,690 |  |  |  | 12.64 | % |  | $ | 124,522 |  |  |  | 4.50 | % |  | $ | 193,701 |  |  |  | 7.00 | % |  | $ | 179,865 |  |  |  | 6.50 | %
At December 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total risk-based capital (to risk-weighted assets) |  | $ | 368,953 |  |  |  | 14.18 | % |  | $ | 208,174 |  |  |  | 8.00 | % |  | $ | 273,228 |  |  |  | 10.50 | % |  | $ | 260,218 |  |  |  | 10.00 | %
Tier 1 risk-based capital (to risk-weighted assets) |  | $ | 336,416 |  |  |  | 12.93 | % |  | $ | 156,131 |  |  |  | 6.00 | % |  | $ | 221,185 |  |  |  | 8.50 | % |  | $ | 208,174 |  |  |  | 8.00 | %
Tier 1 leverage capital (to average assets) |  | $ | 336,416 |  |  |  | 11.24 | % |  | $ | 119,741 |  |  |  | 4.00 | % |  | $ | N/A |  |  |  | N/A |  |  | $ | 149,676 |  |  |  | 5.00 | %
CET 1 capital (to risk-weighted assets) |  | $ | 336,416 |  |  |  | 12.93 | % |  | $ | 117,098 |  |  |  | 4.50 | % |  | $ | 182,152 |  |  |  | 7.00 | % |  | $ | 169,141 |  |  |  | 6.50 | %
|  | At September 30, |  | At December 31,
Company Only |  | 2025 |  | 2024
Total risk-based capital (to risk-weighted assets) |  | 13.93% |  | 14.53%
Tier 1 risk-based capital (to risk-weighted assets) |  | 10.95% |  | 11.36%
Tier 1 leverage capital (to average assets) |  | 9.49% |  | 9.87%
CET 1 capital (to risk-weighted assets) |  | 10.95% |  | 11.36%

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