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Note 16 - Regulatory Capital Requirements and Restrictions on Dividends (Details) - USD ($) $ in Millions | 12 Months Ended |
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Dec. 31, 2015 | Aug. 27, 2015
Disclosure Text Block [Abstract] |  |
Annual Phase-in Percentage of Capital Conservation Buffer | 0.625% |
Capital Required for Capital Adequacy to Risk Weighted Assets With Capital Conservation Buffer | 10.50% |
Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets With Capital Conservation Buffer | 8.50% |
Common Equity Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets With Capital Conservation Buffer | 7.00% |
Shelf Registration, Maximum Value of Equity Authorized for Issuance (in Dollars) |  | $ 100.0

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- Definition The additional percentage phased-in annually to make up the capital conservation buffer requirement, beginning in 2016 and finalizing in 2019. + References No definition available. + 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, plus the fully phased in capital conservation buffer of 2.5%. + References No definition available. + Details
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- 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, plus the fully phased-in capital conservation buffer of 2.5%. + References No definition available. + Details
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- Definition The value of company equity authorized for issuance filed under a universal shelf registration statement. + References No definition available. + 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, plus the fully phased in capital conservation buffer of 2.5%. + References No definition available. + Details
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- References No definition available. + Details
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