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Note 17 - Fair Value of Financial Instruments - Summary of Assets and Liabilities Measured at Fair Value Using Significant Unobservable Inputs (Level 3) (Details) - Fair Value, Inputs, Level 3 [Member] $ in Thousands	6 Months Ended
	Jun. 30, 2016 USD ($)
Impaired Loans [Member] | Weighted Average [Member]
Quantitative range of unobservable inputs	9109.50%
Impaired Loans [Member]
Fair value	$ 2,198
OREO [Member] | Weighted Average [Member]
Quantitative range of unobservable inputs	9.50%
OREO [Member] | Minimum [Member]
Quantitative range of unobservable inputs	9.00%
OREO [Member] | Maximum [Member]
Quantitative range of unobservable inputs	10.00%
OREO [Member]
Fair value	$ 5,405

X

- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

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X

- Definition

Percentage of adjustment to the observed price for a similar asset or liability when an identical transaction does not exist, used as an input to measure fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

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