Note 22 - Intangible Assets (Details) - Acquired Core Deposit and Customer Relationship Intangible Assets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Core deposit intangibles	$ 4,075	$ 6,084
Core deposit intangibles	449us-gaap_FiniteLivedIntangibleAssetsNet	854us-gaap_FiniteLivedIntangibleAssetsNet
Customer relationship intangibles	4,075	6,084
Customer relationship intangibles	449us-gaap_FiniteLivedIntangibleAssetsNet	854us-gaap_FiniteLivedIntangibleAssetsNet
Total	4,524	6,938
Total	4,075	6,084
Total	449us-gaap_FiniteLivedIntangibleAssetsNet	854us-gaap_FiniteLivedIntangibleAssetsNet
Core Deposits [Member]
Finite-Lived Intangible Assets [Line Items]
Core deposit intangibles	4,524	4,524
Core deposit intangibles	4,075	3,910
Core deposit intangibles	449	614
Customer relationship intangibles	4,075	3,910
Customer relationship intangibles	449	614
Total	4,075	3,910
Total	449	614
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Core deposit intangibles	0	2,174
Core deposit intangibles	0	240
Customer relationship intangibles	0	2,414
Customer relationship intangibles	0	2,174
Customer relationship intangibles	0	240
Total	0	2,174
Total	$ 0	$ 240

Bank deposits belonging to an acquired bank that can be counted on as a stable source of lending funds. These deposits have the following attributes: predictable costs and low sensitivity to interest rates. This intangible asset is usually amortized over its estimated useful life.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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- Definition

Gross carrying amount before accumulated amortization as of the balance sheet date to an asset acquired in a business combination representing a favorable existing relationship with customers having a finite beneficial life.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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- Definition

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

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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- Definition

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

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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- Definition

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

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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