Note 21 - Regulatory Matters (Details) - Actual Capital Levels and Minimum Levels (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Consolidated Entities [Member]
Total capital (to risk weighted assets)
Total capital (to risk weighted assets), actual amount	$ 334,793	$ 193,925
Total capital (to risk weighted assets), actual ratio	14.40%	15.90%
Total capital (to risk weighted assets), minimum required for capital adequacy purposes amount	185,553	97,498
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
Total capital (to risk weighted assets), minimum required to be well capitalized under prompt corrective action regulations ratio
Tier 1 capital (to risk weighted assets)
Tier 1 capital (to risk weighted assets), actual amount	314,752	178,598
Tier 1 capital (to risk weighted assets), actual ratio	13.60%	14.70%
Tier 1 capital (to risk weighted assets), minimum required for capital adequacy purposes amount	92,777	48,749
Tier 1 capital (to risk weighted assets), minimum required for capital adequacy purposes ratio	4.00%	4.00%
Tier 1 capital (to risk weighted assets), minimum required to be well capitalized under prompt corrective action regulations amount
Tier 1 capital (to risk weighted assets), minimum required to be well capitalized under prompt corrective action regulations ratio
Tier 1 capital (to average assets)
Tier 1 capital (to average assets), actual amount	314,752	178,598
Tier 1 capital (to average assets), actual ratio	11.20%	12.50%
Tier 1 capital (to average assets), minimum required for capital adequacy purposes amount	112,949	57,006
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
Tier 1 capital (to risk average assets), minimum required to be well capitalized under prompt corrective action regulations ratio
Bank [Member]
Total capital (to risk weighted assets)
Total capital (to risk weighted assets), actual amount	332,749	190,493
Total capital (to risk weighted assets), actual ratio	14.40%	15.70%
Total capital (to risk weighted assets), minimum required for capital adequacy purposes amount	185,309	97,329
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	231,636	121,662
Total capital (to risk weighted assets), minimum required to be well capitalized under prompt corrective action regulations ratio	10.00%	10.00%
Tier 1 capital (to risk weighted assets)
Tier 1 capital (to risk weighted assets), actual amount	312,708	175,192
Tier 1 capital (to risk weighted assets), actual ratio	13.50%	14.40%
Tier 1 capital (to risk weighted assets), minimum required for capital adequacy purposes amount	92,655	48,665
Tier 1 capital (to risk weighted assets), minimum required for capital adequacy purposes ratio	4.00%	4.00%
Tier 1 capital (to risk weighted assets), minimum required to be well capitalized under prompt corrective action regulations amount	138,982	72,997
Tier 1 capital (to risk weighted assets), minimum required to be well capitalized under prompt corrective action regulations ratio	6.00%	6.00%
Tier 1 capital (to average assets)
Tier 1 capital (to average assets), actual amount	312,708	175,192
Tier 1 capital (to average assets), actual ratio	11.10%	12.30%
Tier 1 capital (to average assets), minimum required for capital adequacy purposes amount	112,856	56,860
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	$ 141,070	$ 71,075
Tier 1 capital (to risk average assets), minimum required to be well capitalized under prompt corrective action regulations ratio	5.00%	5.00%

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The amount of total capital as defined in the regulations.

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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.

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The amount of Total Capital required to be categorized as well as capitalized under the regulatory framework for prompt corrective action.

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The Total risk based capital ratio (total capital divided by risk weighted assets) required to be categorized as "well capitalized", in the regulatory framework for prompt corrective action.

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Total Capital divided by risk weighted assets as defined in the regulations.

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Tier 1 Leverage Capital as defined in the regulations. Also called Core Capital.

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Tier 1 Leverage Capital divided by average assets as defined in the regulations.

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Tier 1 Risk Based Capital as defined in the regulations.

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The amount of Tier 1 Risk Based Capital required to be categorized as well capitalized under the regulatory framework for prompt corrective action.

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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.

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Tier 1 capital divided by risk weighted assets as defined by regulations.

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