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Note 12 - Regulatory Matters (Tables) | 3 Months Ended
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Mar. 31, 2018
Notes Tables |
Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block] |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Minimum Required |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | to be Well |
|  |  |  |  |  |  |  |  |  | Minimum Required |  |  | Capitalized Under |
|  |  |  |  |  |  |  |  |  | for Capital |  |  | Prompt Corrective |
|  | Actual |  |  | Adequacy Purposes |  |  | Action Regulations |
|  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |
March 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total capital (to risk weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 387,520 |  |  |  | 13.2 | % |  | $ | 234,830 |  |  |  | 8.0 | % |  | $ | NA |  |  |  | NA |
Bank |  |  | 379,370 |  |  |  | 12.9 |  |  |  | 234,646 |  |  |  | 8.0 |  |  |  | 293,307 |  |  |  | 10.0 | %
Tier 1 capital (to risk weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  |  | 367,546 |  |  |  | 12.5 |  |  |  | 176,123 |  |  |  | 6.0 |  |  |  | NA |  |  |  | NA |
Bank |  |  | 359,396 |  |  |  | 12.3 |  |  |  | 175,984 |  |  |  | 6.0 |  |  |  | 234,646 |  |  |  | 8.0 |
Common equity tier 1 (to risk weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  |  | 323,932 |  |  |  | 11.0 |  |  |  | 132,092 |  |  |  | 4.5 |  |  |  | NA |  |  |  | NA |
Bank |  |  | 359,396 |  |  |  | 12.3 |  |  |  | 131,988 |  |  |  | 4.5 |  |  |  | 190,650 |  |  |  | 6.5 |
Tier 1 capital (to average assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  |  | 367,546 |  |  |  | 11.5 |  |  |  | 127,794 |  |  |  | 4.0 |  |  |  | NA |  |  |  | NA |
Bank |  |  | 359,396 |  |  |  | 11.3 |  |  |  | 127,712 |  |  |  | 4.0 |  |  |  | 159,640 |  |  |  | 5.0 |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Minimum Required |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | to be Well |
|  |  |  |  |  |  |  |  |  | Minimum Required |  |  | Capitalized Under |
|  |  |  |  |  |  |  |  |  | for Capital |  |  | Prompt Corrective |
|  | Actual |  |  | Adequacy Purposes |  |  | Action Regulations |
|  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |
December 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total capital (to risk weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 379,417 |  |  |  | 12.9 | % |  | $ | 235,723 |  |  |  | 8.0 | % |  | $ | NA |  |  |  | NA |
Bank |  |  | 371,346 |  |  |  | 12.6 |  |  |  | 235,515 |  |  |  | 8.0 |  |  |  | 294,393 |  |  |  | 10.0 | %
Tier 1 capital (to risk weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  |  | 359,915 |  |  |  | 12.2 |  |  |  | 176,792 |  |  |  | 6.0 |  |  |  | NA |  |  |  | NA |
Bank |  |  | 351,844 |  |  |  | 12.0 |  |  |  | 176,636 |  |  |  | 6.0 |  |  |  | 235,515 |  |  |  | 8.0 |
Common equity tier 1 (to risk weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  |  | 316,472 |  |  |  | 10.7 |  |  |  | 132,594 |  |  |  | 4.5 |  |  |  | NA |  |  |  | NA |
Bank |  |  | 351,844 |  |  |  | 12.0 |  |  |  | 132,477 |  |  |  | 4.5 |  |  |  | 191,356 |  |  |  | 6.5 |
Tier 1 capital (to average assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  |  | 359,915 |  |  |  | 11.3 |  |  |  | 127,782 |  |  |  | 4.0 |  |  |  | NA |  |  |  | NA |
Bank |  |  | 351,844 |  |  |  | 11.0 |  |  |  | 127,698 |  |  |  | 4.0 |  |  |  | 159,623 |  |  |  | 5.0 |

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