Note 18 - Intangible Assets and Goodwill (Details) - Goodwill and Intangible Assets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Note 18 - Intangible Assets and Goodwill (Details) - Goodwill and Intangible Assets [Line Items]
Unamortizable goodwill, gross carrying value	$ 5,848us-gaap_GoodwillGross	$ 5,848us-gaap_GoodwillGross
Unamortizable goodwill, net carrying value	5,848us-gaap_Goodwill	5,848us-gaap_Goodwill
Core Deposits [Member]
Note 18 - Intangible Assets and Goodwill (Details) - Goodwill and Intangible Assets [Line Items]
Amortizable core deposit intangibles, gross carrying value	16,257	16,257
Amortizable core deposit intangibles, accumulated amortization	14,883	13,806
Amortizable core deposit intangibles, net carrying value	$ 1,374	$ 2,451

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

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