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Note 11 - Derivative Financial Instruments (Details) (USD $) | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013
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Note 11 - Derivative Financial Instruments (Details) [Line Items] |  |  |  |
Junior Subordinated Notes, Portion Exposed To Rising Interest Rates | $ 18,000,000 |  |  | $ 18,000,000
Junior Subordinated Notes, Contractual Value | 61,900,000 |  | 61,900,000 | 61,900,000
Derivative, Notional Amount |  | 61,900,000 |  |
Derivative Asset, Notional Amount | 29,041,000 |  |  | 129,217,000
Not Designated as Hedging Instrument [Member] |  |  |  |
Note 11 - Derivative Financial Instruments (Details) [Line Items] |  |  |  |
Derivative Asset, Notional Amount | 18,000,000 |  |  | 118,000,000
Designated as Hedging Instrument [Member] |  |  |  |
Note 11 - Derivative Financial Instruments (Details) [Line Items] |  |  |  |
Derivative Asset, Notional Amount | $ 11,000,000 |  |  | $ 11,200,000

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- Definition Junior Subordinated Notes, Contractual Value + References No definition available. + Details
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- Definition Junior Subordinated Notes, Portion Exposed To Rising Interest Rates + References No definition available. + Details
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- Details
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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition Nominal or face amount used to calculate payments on the derivative asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5579245-113959 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Notional Amount -URI http://asc.fasb.org/extlink&oid=6519104 + Details
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