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Note 13 - Regulatory Matters (Details) - Actual Capital Levels and Minimum Levels - USD ($) | Jun. 30, 2015 | Dec. 31, 2014
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Consolidated Entities [Member] |  |
Total capital (to risk weighted assets) |  |
Total capital (to risk weighted assets), actual amount | $ 341,865,000 | $ 334,793,000
Total capital (to risk weighted assets), actual ratio | 13.60% | 14.40%
Total capital (to risk weighted assets), minimum required for capital adequacy purposes amount | $ 200,721,000 | $ 185,553,000
Total capital (to risk weighted assets), minimum required for capital adequacy purposes ratio | 8.00% | 8.00%
Total capital (to risk weighted assets), minimum required to be well capitalized under prompt corrective action regulations amount |  |
Tier 1 capital (to risk weighted assets) |  |
Tier 1 capital (to risk weighted assets), actual amount | $ 325,304,000 | $ 314,752,000
Tier 1 capital (to risk weighted assets), actual ratio | 13.00% | 13.60%
Tier 1 capital (to risk weighted assets), minimum required for capital adequacy purposes amount | $ 150,541,000 | $ 92,777,000
Tier 1 capital (to risk weighted assets), minimum required for capital adequacy purposes ratio | 6.00% | 4.00%
Tier 1 capital (to risk weighted assets), minimum required to be well capitalized under prompt corrective action regulations amount |  |
Common equity tier 1 (to risk weighted assets) |  |
Common equity tier 1 (to risk weighted assets), actual amount | $ 274,601,000 |
Common equity tier 1 (to risk weighted assets), actual ratio | 10.90% |
Common equity tier 1 (to risk weighted assets), minimum required for capital adequacy purposes amount | $ 112,997,000 |
Common equity tier 1 (to risk weighted assets), minimum required for capital adequacy purposes ratio | 4.50% |
Common equity tier 1 (to risk weighted assets), minimum required to be well capitalized under prompt corrective action regulations amount |  |
Tier 1 capital (to average assets) |  |
Tier 1 capital (to average assets), actual amount | $ 325,304,000 | $ 314,752,000
Tier 1 capital (to average assets), actual ratio | 11.60% | 11.20%
Tier 1 capital (to average assets), minimum required for capital adequacy purposes amount | $ 112,364,000 | $ 112,949,000
Tier 1 capital (to risk average assets), minimum required for capital adequacy purposes ratio | 4.00% | 4.00%
Tier 1 capital (to risk average assets), minimum required to be well capitalized under prompt corrective action regulations amount |  |
Bank [Member] |  |
Total capital (to risk weighted assets) |  |
Total capital (to risk weighted assets), actual amount | $ 345,719,000 | $ 332,749,000
Total capital (to risk weighted assets), actual ratio | 13.80% | 14.40%
Total capital (to risk weighted assets), minimum required for capital adequacy purposes amount | $ 200,822,000 | $ 185,309,000
Total capital (to risk weighted assets), minimum required for capital adequacy purposes ratio | 8.00% | 8.00%
Total capital (to risk weighted assets), minimum required to be well capitalized under prompt corrective action regulations amount | $ 0.100 | $ 0.100
Tier 1 capital (to risk weighted assets) |  |
Tier 1 capital (to risk weighted assets), actual amount | $ 329,158,000 | $ 312,708,000
Tier 1 capital (to risk weighted assets), actual ratio | 13.10% | 13.50%
Tier 1 capital (to risk weighted assets), minimum required for capital adequacy purposes amount | $ 150,617,000 | $ 92,655,000
Tier 1 capital (to risk weighted assets), minimum required for capital adequacy purposes ratio | 6.00% | 4.00%
Tier 1 capital (to risk weighted assets), minimum required to be well capitalized under prompt corrective action regulations amount | $ 8,000 | $ 6,000
Common equity tier 1 (to risk weighted assets) |  |
Common equity tier 1 (to risk weighted assets), actual amount | $ 329,158,000 |
Common equity tier 1 (to risk weighted assets), actual ratio | 13.10% |
Common equity tier 1 (to risk weighted assets), minimum required for capital adequacy purposes amount | $ 112,963,000 |
Common equity tier 1 (to risk weighted assets), minimum required for capital adequacy purposes ratio | 4.50% |
Common equity tier 1 (to risk weighted assets), minimum required to be well capitalized under prompt corrective action regulations amount | $ 6,500 |
Tier 1 capital (to average assets) |  |
Tier 1 capital (to average assets), actual amount | $ 329,158,000 | $ 312,708,000
Tier 1 capital (to average assets), actual ratio | 11.70% | 11.10%
Tier 1 capital (to average assets), minimum required for capital adequacy purposes amount | $ 112,487,000 | $ 112,856,000
Tier 1 capital (to risk average assets), minimum required for capital adequacy purposes ratio | 4.00% | 4.00%
Tier 1 capital (to risk average assets), minimum required to be well capitalized under prompt corrective action regulations amount | $ 5,000 | $ 5,000

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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 minimum amount of Tier 1 Leverage Capital for capital adequacy purposes divided by average assets as defined in the regulations. + 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 minimum amount of Tier 1 Risk Based Capital 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 1H -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=35709795&loc=d3e65071-112826 Reference 2: 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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- Definition The minimum Tier One Capital Ratio (Tier one 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 1B -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958570-112826 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 + Details
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