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Note 21 - Regulatory Matters (Tables) | 9 Months Ended
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Sep. 30, 2023
Notes Tables |
Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block] |
(dollars in thousands) |  | Actual |  |  | Minimum for adequately capitalized |  |  | Minimum for well capitalized |
September 30, 2023 |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |
Total risk-based capital (1) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 831,296 |  |  |  | 12.71 | % |  | $ | 523,065 |  |  |  | 8.00 | % |  | NA |  |  | NA |
Bank |  |  | 805,791 |  |  |  | 12.37 |  |  |  | 521,313 |  |  |  | 8.00 |  |  | $ | 651,641 |  |  |  | 10.00 | %
Common equity tier 1 risk-based capital (1) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  |  | 730,410 |  |  |  | 11.17 |  |  |  | 294,224 |  |  |  | 4.50 |  |  | NA |  |  | NA |
Bank |  |  | 730,905 |  |  |  | 11.22 |  |  |  | 293,239 |  |  |  | 4.50 |  |  |  | 423,567 |  |  |  | 6.50 |
Tier 1 risk-based capital (1) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  |  | 756,410 |  |  |  | 11.57 |  |  |  | 392,298 |  |  |  | 6.00 |  |  | NA |  |  | NA |
Bank |  |  | 730,905 |  |  |  | 11.22 |  |  |  | 390,985 |  |  |  | 6.00 |  |  |  | 521,313 |  |  |  | 8.00 |
Leverage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  |  | 756,410 |  |  |  | 9.80 |  |  |  | 308,622 |  |  |  | 4.00 |  |  | NA |  |  | NA |
Bank |  |  | 730,905 |  |  |  | 9.49 |  |  |  | 308,176 |  |  |  | 4.00 |  |  |  | 385,221 |  |  |  | 5.00 |
(dollars in thousands) |  | Actual |  |  | Minimum for adequately capitalized |  |  | Minimum for well capitalized |
December 31, 2022 |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |
Total risk-based capital (1) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 762,956 |  |  |  | 12.54 | % |  | $ | 486,841 |  |  |  | 8.00 | % |  | NA |  |  | NA |
Bank |  |  | 732,688 |  |  |  | 12.08 |  |  |  | 485,314 |  |  |  | 8.00 |  |  | $ | 606,643 |  |  |  | 10.00 | %
Common equity tier 1 risk-based capital (1) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  |  | 672,045 |  |  |  | 11.04 |  |  |  | 273,848 |  |  |  | 4.50 |  |  | NA |  |  | NA |
Bank |  |  | 667,777 |  |  |  | 11.01 |  |  |  | 272,989 |  |  |  | 4.50 |  |  |  | 394,318 |  |  |  | 6.50 |
Tier 1 risk-based capital (1) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  |  | 698,045 |  |  |  | 11.47 |  |  |  | 365,131 |  |  |  | 6.00 |  |  | NA |  |  | NA |
Bank |  |  | 667,777 |  |  |  | 11.01 |  |  |  | 363,986 |  |  |  | 6.00 |  |  |  | 485,314 |  |  |  | 8.00 |
Leverage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  |  | 698,045 |  |  |  | 9.33 |  |  |  | 299,329 |  |  |  | 4.00 |  |  | NA |  |  | NA |
Bank |  |  | 667,777 |  |  |  | 8.95 |  |  |  | 298,600 |  |  |  | 4.00 |  |  |  | 373,250 |  |  |  | 5.00 |

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