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Note 11 - Regulatory Matters - Actual Capital Levels and Minimum Levels (Details) - USD ($) $ in Thousands | Sep. 30, 2019 | Dec. 31, 2018
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Consolidated Entities [Member] |  |
Total capital, amount | $ 419,424 | $ 396,102
Total capital, ratio | 12.60% | 12.50%
Total capital minimum required for capital adequacy, amount | $ 266,218 | $ 253,413
Total capital minimum required for capital adequacy, ratio | 8.00% | 8.00%
Tier 1 capital, amount | $ 395,010 | $ 373,721
Tier 1 capital, ratio | 11.90% | 11.80%
Tier 1 capital minimum required for capital adequacy, amount | $ 199,664 | $ 190,060
Tier 1 capital minimum required for capital adequacy, ratio | 6.00% | 6.00%
Common equity tier 1, amount | $ 350,374 | $ 329,596
Common equity tier 1, ratio | 10.50% | 10.40%
Common equity tier 1 minimum required for capital adequacy, amount | $ 149,748 | $ 142,545
Common equity tier 1 capital minimum required for capital adequacy, ratio | 4.50% | 4.50%
Tier 1 capital to average assets, amount | $ 395,010 | $ 373,721
Tier 1 capital to average assets, ratio | 11.10% | 11.40%
Tier 1 capital to average assets, minimum required for capital adequacy, amount | $ 142,581 | $ 131,014
Tier 1 capital to average assets minimum required for capital adequacy, ratio | 4.00% | 4.00%
Bank [Member] |  |
Total capital, amount | $ 416,302 | $ 388,591
Total capital, ratio | 12.50% | 12.30%
Total capital minimum required for capital adequacy, amount | $ 266,178 | $ 253,225
Total capital minimum required for capital adequacy, ratio | 8.00% | 8.00%
Total capital to be well capitalized, amount | $ 332,723 | $ 316,531
Total capital to be well capitalized, ratio | 10.00% | 10.00%
Tier 1 capital, amount | $ 391,889 | $ 366,211
Tier 1 capital, ratio | 11.80% | 11.60%
Tier 1 capital minimum required for capital adequacy, amount | $ 199,634 | $ 189,919
Tier 1 capital minimum required for capital adequacy, ratio | 6.00% | 6.00%
Tier 1 capital to be well capitalized, amount | $ 266,178 | $ 253,225
Tier 1 capital to be well capitalized, ratio | 8.00% | 8.00%
Common equity tier 1, amount | $ 391,889 | $ 366,211
Common equity tier 1, ratio | 11.80% | 11.60%
Common equity tier 1 minimum required for capital adequacy, amount | $ 149,725 | $ 142,439
Common equity tier 1 capital minimum required for capital adequacy, ratio | 4.50% | 4.50%
Common equity tier 1 capital to be well capitalized, amount | $ 216,270 | $ 205,745
Common equity tier 1 capital to be well capitalized, ratio | 6.50% | 6.50%
Tier 1 capital to average assets, amount | $ 391,889 | $ 366,211
Tier 1 capital to average assets, ratio | 11.00% | 11.20%
Tier 1 capital to average assets, minimum required for capital adequacy, amount | $ 142,561 | $ 130,913
Tier 1 capital to average assets minimum required for capital adequacy, ratio | 4.00% | 4.00%
Tier 1 capital to average assets to be well capitalized, amount | $ 178,201 | $ 163,641
Tier 1 capital to average assets to be well capitalized, ratio | 5.00% | 5.00%

X
- Definition The minimum common equity tier one capital ratio (common equity tier one capital divided by risk-weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action. + References No definition available. + Details
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- Definition Common equity tier 1 capital ratio (common equity tier 1 capital divided by risk weighted assets) required to be categorized as "well capitalized" under the regulatory framework for prompt corrective action. + References No definition available. + Details
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- Definition The amount of total capital as defined in the regulations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6490092&loc=d3e47304-110998 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=117337116&loc=d3e65071-112826 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6490092&loc=d3e47080-110998 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=117337116&loc=d3e65071-112826 + Details
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- Definition The minimum Total risk based capital ratio (total capital divided by risk weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958570-112826 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=117337116&loc=d3e65071-112826 + Details
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- Definition The amount of Total Capital required to be categorized as well as capitalized under the regulatory framework for prompt corrective action. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 + Details
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