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Note 15 - Regulatory Capital Matters - Schedule of Regulatory Capital (Details) $ in Thousands | Sep. 30, 2025 USD ($) | Dec. 31, 2024 USD ($)
--- | --- | ---
Common equity tier 1, capital adequacy, ratio | 0.045 |
Risk based capital, capital adequacy, ratio | 0.08 |
Tier 1 risk based capital, capital adequacy, ratio | 0.06 |
Tier 1 leverage, capital adequacy, ratio | 0.04 |
Bank [Member] |  |
Common equity tier 1, actual, amount | $ 475,456 | $ 442,747
Common equity tier 1, actual, ratio | 0.1264 | 0.1188
Common equity tier 1, capital adequacy, amount | $ 169,313 | $ 167,712
Common equity tier 1, capital adequacy, ratio | 0.045 | 0.045
Common equity tier 1, well capitalized, amount | $ 244,563 | $ 242,251
Common equity tier 1, well capitalized, ratio | 0.065 | 0.065
Risk based capital, actual, amount | $ 516,200 | $ 480,173
Risk based capital, actual, ratio | 0.1372 | 0.1288
Risk based capital, capital adequacy, amount | $ 301,001 | $ 298,155
Risk based capital, capital adequacy, ratio | 0.08 | 0.08
Risk based capital, well capitalized, amount | $ 376,251 | $ 372,694
Risk based capital, well capitalized, ratio | 0.10 | 0.10
Tier 1 risk based capital, actual, amount | $ 475,456 | $ 442,747
Tier 1 risk based capital, actual, ratio | 0.1264 | 0.1188
Tier 1 risk based capital, capital adequacy, amount | $ 225,750 | $ 223,616
Tier 1 risk based capital, capital adequacy, ratio | 0.06 | 0.06
Tier 1 risk based capital, well capitalized, amount | $ 301,001 | $ 298,155
Tier 1 risk based capital, well capitalized, ratio | 0.08 | 0.08
Tier 1 leverage, actual, amount | $ 475,456 | $ 442,747
Tier 1 leverage, actual, ratio | 0.0912 | 0.0855
Tier 1 leverage, capital adequacy, amount | $ 208,428 | $ 207,066
Tier 1 leverage, capital adequacy, ratio | 0.04 | 0.04
Tier 1 leverage, well capitalized, amount | $ 260,535 | $ 258,832
Tier 1 leverage, well capitalized, ratio | 0.05 | 0.05
Parent Company [Member] |  |
Common equity tier 1, actual, amount | $ 439,168 | $ 415,825
Common equity tier 1, actual, ratio | 0.1162 | 0.1114
Common equity tier 1, capital adequacy, amount | $ 170,014 | $ 167,991
Common equity tier 1, capital adequacy, ratio | 0.045 | 0.045
Risk based capital, actual, amount | $ 569,913 | $ 543,250
Risk based capital, actual, ratio | 0.1508 | 0.1455
Risk based capital, capital adequacy, amount | $ 302,247 | $ 298,651
Risk based capital, capital adequacy, ratio | 0.08 | 0.08
Tier 1 risk based capital, actual, amount | $ 457,168 | $ 433,825
Tier 1 risk based capital, actual, ratio | 0.121 | 0.1162
Tier 1 risk based capital, capital adequacy, amount | $ 226,685 | $ 223,988
Tier 1 risk based capital, capital adequacy, ratio | 0.06 | 0.06
Tier 1 leverage, actual, amount | $ 457,168 | $ 433,825
Tier 1 leverage, actual, ratio | 0.0875 | 0.0836
Tier 1 leverage, capital adequacy, amount | $ 208,983 | $ 207,544
Tier 1 leverage, capital adequacy, ratio | 0.04 | 0.04

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- Definition Amount of total capital as defined by regulatory framework. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1 + Details
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