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Note 21 - Regulatory Matters - Actual Capital Levels and Minimum Levels (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Consolidated Entities [Member] |  |
Total capital, amount | $ 354,278 | $ 345,539
Total capital, ratio | 13.10% | 13.50%
Total capital minimum required for capital adequacy, amount | $ 215,819 | $ 205,602
Total capital minimum required for capital adequacy, ratio | 8.00% | 8.00%
Tier 1 capital, amount | $ 336,316 | $ 329,858
Tier 1 capital, ratio | 12.50% | 12.80%
Tier 1 capital minimum required for capital adequacy, amount | $ 161,864 | $ 154,201
Tier 1 capital minimum required for capital adequacy, ratio | 6.00% | 6.00%
Common equity tier 1, amount | $ 293,555 | $ 280,171
Common equity tier 1, ratio | 10.90% | 10.90%
Common equity tier 1 minimum required for capital adequacy, amount | $ 121,398 | $ 115,804
Common equity tier 1 capital minimum required for capital adequacy, ratio | 4.50% | 4.50%
Tier 1 capital, amount | $ 336,316 | $ 329,858
Tier 1 capital to average assets, ratio | 11.20% | 11.60%
Tier 1 capital minimum required for capital adequacy, amount | $ 120,486 | $ 114,138
Tier 1 capital to average assets minimum required for capital adequacy, ratio | 4.00% | 4.00%
Bank [Member] |  |
Total capital, amount | $ 353,243 | $ 347,433
Total capital, ratio | 13.10% | 13.50%
Total capital minimum required for capital adequacy, amount | $ 215,605 | $ 205,624
Total capital minimum required for capital adequacy, ratio | 8.00% | 8.00%
Total capital to be well capitalized, amount | $ 269,506 | $ 257,030
Total capital to be well capitalized, ratio | 10.00% | 10.00%
Tier 1 capital, amount | $ 335,282 | $ 331,752
Tier 1 capital, ratio | 12.40% | 12.90%
Tier 1 capital minimum required for capital adequacy, amount | $ 161,704 | $ 154,218
Tier 1 capital minimum required for capital adequacy, ratio | 6.00% | 6.00%
Tier 1 capital to be well capitalized, amount | $ 215,605 | $ 205,624
Tier 1 capital to be well capitalized, ratio | 8.00% | 8.00%
Common equity tier 1, amount | $ 335,282 | $ 331,752
Common equity tier 1, ratio | 12.40% | 12.90%
Common equity tier 1 minimum required for capital adequacy, amount | $ 121,278 | $ 115,664
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 | $ 175,179 | $ 167,070
Common equity tier 1 capital to be well capitalized, ratio | 6.50% | 6.50%
Tier 1 capital, amount | $ 335,282 | $ 331,752
Tier 1 capital to average assets, ratio | 11.10% | 11.60%
Tier 1 capital minimum required for capital adequacy, amount | $ 120,383 | $ 114,280
Tier 1 capital to average assets minimum required for capital adequacy, ratio | 4.00% | 4.00%
Tier 1 capital to be well capitalized, amount | $ 150,479 | $ 142,850
Tier 1 capital to average assets to be well capitalized, ratio | 5.00% | 5.00%

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- Definition The amount of total capital as defined in the regulations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=35709795&loc=d3e65071-112826 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=35709795&loc=d3e65071-112826 Reference 4: http://www.xbrl.org/2003/role/presentationRef -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 + 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958568-112826 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=35709795&loc=d3e65071-112826 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958570-112826 + 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958568-112826 + Details
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- Definition The Tier 1 capital ratio (Tier 1 capital divided by risk weighted assets) required to be categorized as "well capitalized" under the regulatory framework for prompt corrective action. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958568-112826 + Details
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