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Note 14 - Stockholders' Equity and Regulatory Requirements (Tables) | 12 Months Ended
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Dec. 31, 2022
Notes Tables |
Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block] |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | For Classification |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Under Corrective |
|  |  |  |  |  |  |  |  |  | Minimum |  |  | Action Plan |
|  |  |  |  |  |  |  |  |  | Capital Adequacy |  |  | as Well Capitalized |
|  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |
The Bank |  |  |  |  |  |  |  |  |  | (dollars in thousands) |  |  |  |  |  |  |  |  |
December 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Leverage (Tier 1) capital |  | $ | 996,013 |  |  |  | 10.64 | % |  | $ | 374,553 |  |  |  | 4.00 | % |  | $ | 468,191 |  |  |  | 5.00 | %
Risk-Based Capital: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
CET 1 |  | $ | 996,013 |  |  |  | 11.60 |  |  | $ | 386,289 |  |  |  | 4.50 |  |  | $ | 557,972 |  |  |  | 6.50 |
Tier 1 |  |  | 996,013 |  |  |  | 11.60 |  |  |  | 515,051 |  |  |  | 6.00 |  |  |  | 686,735 |  |  |  | 8.00 |
Total |  |  | 1,117,733 |  |  |  | 13.02 |  |  |  | 686,735 |  |  |  | 8.00 |  |  |  | 858,419 |  |  |  | 10.00 |
December 31, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Leverage (Tier 1) capital |  | $ | 891,730 |  |  |  | 11.43 | % |  | $ | 312,166 |  |  |  | 4.00 | % |  | $ | 390,207 |  |  |  | 5.00 | %
Risk-Based Capital: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
CET 1 |  | $ | 891,730 |  |  |  | 11.96 |  |  | $ | 335,641 |  |  |  | 4.50 |  |  | $ | 484,815 |  |  |  | 6.50 |
Tier 1 |  |  | 891,730 |  |  |  | 11.96 |  |  |  | 447,522 |  |  |  | 6.00 |  |  |  | 596,696 |  |  |  | 8.00 |
Total |  |  | 1,002,753 |  |  |  | 13.44 |  |  |  | 596,696 |  |  |  | 8.00 |  |  |  | 745,869 |  |  |  | 10.00 |
|  |  |  |  |  |  |  |  |  | Minimum Capital |  |  | For Classification |
|  |  |  |  |  |  |  |  |  | Adequacy |  |  | as Well Capitalized |
|  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |
The Company |  | (dollars in thousands) |
December 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Leverage (Tier 1) capital |  | $ | 1,000,577 |  |  |  | 10.68 | % |  | $ | 374,729 |  |  |  | 4.00 | % |  |  | N/A |  |  |  | N/A |
Risk-Based Capital: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
CET 1 |  | $ | 884,495 |  |  |  | 10.30 |  |  | $ | 386,295 |  |  |  | 4.50 |  |  |  | N/A |  |  |  | N/A |
Tier 1 |  |  | 1,000,577 |  |  |  | 11.66 |  |  |  | 515,061 |  |  |  | 6.00 |  |  |  | N/A |  |  |  | N/A |
Total |  |  | 1,240,047 |  |  |  | 14.45 |  |  |  | 686,748 |  |  |  | 8.00 |  |  |  | N/A |  |  |  | N/A |
December 31, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Leverage (Tier 1) capital |  | $ | 909,577 |  |  |  | 11.65 | % |  | $ | 312,194 |  |  |  | 4.00 | % |  |  | N/A |  |  |  | N/A |
Risk-Based Capital: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
CET 1 |  | $ | 793,495 |  |  |  | 10.64 |  |  | $ | 335,648 |  |  |  | 4.50 |  |  |  | N/A |  |  |  | N/A |
Tier 1 |  |  | 909,577 |  |  |  | 12.19 |  |  |  | 447,531 |  |  |  | 6.00 |  |  |  | N/A |  |  |  | N/A |
Total |  |  | 1,138,350 |  |  |  | 15.26 |  |  |  | 596,708 |  |  |  | 8.00 |  |  |  | N/A |  |  |  | N/A |

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- Definition Tabular disclosure of the capital amounts and ratios as of the balance sheet date, indicating whether the entity or entities are in compliance with regulatory capital requirements, by entity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1B -URI https://asc.fasb.org/extlink&oid=117337116&loc=SL5958570-112826 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI https://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 + Details
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