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Note 17 - Commitments and Credit Risk (Details) (USD $)									6 Months Ended
Note 17 - Commitments and Credit Risk (Details) (USD $)	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2013 Standby Letters of Credit [Member]	Dec. 31, 2012 Standby Letters of Credit [Member]	Jun. 30, 2013 Credit Card Commitments to Extend Credit [Member]	Dec. 31, 2012 Credit Card Commitments to Extend Credit [Member]	Jun. 30, 2013 Other Loan Commitments to Extend Credit [Member]	Dec. 31, 2012 Other Loan Commitments to Extend Credit [Member]	Jun. 30, 2013 Minimum [Member]	Jun. 30, 2013 Maximum [Member]
Note 17 - Commitments and Credit Risk (Details) [Line Items]
Commitments and Contingencies					$ 432,096,000	$ 401,817,000	$ 333,083,000	$ 301,444,000
Letters of Credit Outstanding, Amount	9,009,000	9,901,000
Letters of Credit Term									7 months	5 years
Deferred Revenue			$ 20,000	$ 10,000

Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur.

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