Note 17 - Fair Value Measurements and Fair Values Of Financial Instruments (Details) - Quantitative Information about Assets Measured at Fair Value (USD $) In Thousands, unless otherwise specified			12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Appraisal Adjustments [Member] Impaired Loans [Member]		Dec. 31, 2013 Appraisal Adjustments [Member] Minimum [Member] Impaired Loans [Member]	Dec. 31, 2013 Appraisal Adjustments [Member] Maximum [Member] Impaired Loans [Member]	Dec. 31, 2013 Liquidation Expenses [Member] Impaired Loans [Member]		Dec. 31, 2013 Liquidation Expenses [Member] Minimum [Member] Impaired Loans [Member]	Dec. 31, 2013 Liquidation Expenses [Member] Maximum [Member] Impaired Loans [Member]	Dec. 31, 2013 Remaining Term [Member] Mortgage Servicing Rights [Member]	Dec. 31, 2013 Remaining Term [Member] Minimum [Member] Mortgage Servicing Rights [Member]	Dec. 31, 2013 Remaining Term [Member] Maximum [Member] Mortgage Servicing Rights [Member]	Dec. 31, 2013 Discount Rate [Member] Mortgage Servicing Rights [Member]	Dec. 31, 2013 Discount Rate [Member] Minimum [Member] Mortgage Servicing Rights [Member]	Dec. 31, 2013 Discount Rate [Member] Maximum [Member] Mortgage Servicing Rights [Member]	Dec. 31, 2013 Impaired Loans [Member]	Dec. 31, 2012 Impaired Loans [Member]	Dec. 31, 2013 Mortgage Servicing Rights [Member]	Dec. 31, 2012 Mortgage Servicing Rights [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Impaired Loans and Mortgage Servicing Rights-Fair Value	$ 3,626	$ 6,280	$ 3,107								$ 519						$ 3,107	$ 5,832	$ 519	$ 448
Impaired Loans and Mortgage Servicing Rights-Valuation Techniques			Appraisal of collateral (1)	[1]							Discounted cash flow
Impaired Loans and Mortgage Servicing Rights-Unobservable Input			Appraisal adjustments (2)	[2]			Liquidation expenses (2)	[2]			Remaining term (yrs)			Discount rate
Impaired Loans and Mortgage Servicing Rights-Value Or Range of Values					(10.00%)	(30.00%)			0.00%	(10.00%)					10.00%	12.00%
Mortgage servicing rights	$ 3,626	$ 6,280	$ 3,107								$ 519						$ 3,107	$ 5,832	$ 519	$ 448
Mortgage servicing rights			Appraisal of collateral (1)	[1]							Discounted cash flow
Mortgage servicing rights			Appraisal adjustments (2)	[2]			Liquidation expenses (2)	[2]			Remaining term (yrs)			Discount rate
Mortgage servicing rights												3 years	29 years

[1] Fair value is primarily determined through appraisals of the underlying collateral by independent parties, which generally includes various level 3 inputs which are not always identifiable.

[2] Appraisals may be adjusted by management for qualitative factors such as economic conditions and estimated liquidation expenses. The range is presented as a percent of the initial appraised value.