Note 21 - Disclosures Regarding Fair Value (Details) - Significant Unobservable Inputs Used in Fair Value Measurements for Level 3 Assets Measured at Fair Value on a Nonrecurring Basis (Fair Value, Measurements, Nonrecurring [Member], USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014 Fair Value, Inputs, Level 3 [Member] Foreclosed Real Estate and Repossessed Personal Property [Member]	Sep. 30, 2014 Fair Value, Inputs, Level 3 [Member] Long-lived Assets Held-for-sale [Member]	Sep. 30, 2014 Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2013 Fair Value, Inputs, Level 3 [Member]	Sep. 30, 2014	Dec. 31, 2013
Assets
Foreclosed real estate	$ 5,401		$ 5,401	$ 6,595	$ 6,323	$ 6,660
Foreclosed real estate	Appraisals of collateral value	Internal valuation
Foreclosed real estate	Adjustments to appraisal for age of comparable sales	Appraisals and/or sales of comparable properties
Long-lived assets held for sale		$ 432	$ 99	$ 685	$ 432	$ 685
Long-lived assets held for sale	Appraisals of collateral value	Internal valuation
Long-lived assets held for sale	Adjustments to appraisal for age of comparable sales	Appraisals and/or sales of comparable properties