Note 19 - 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, 2013 Impaired Loans in Gross Loans [Member] Fair Value, Inputs, Level 3 [Member]	Sep. 30, 2013 Foreclosed Real Estate and Repossessed Personal Property [Member] Fair Value, Inputs, Level 3 [Member]	Sep. 30, 2013 Long Lived Assets Held For Sale [Member] Fair Value, Inputs, Level 3 [Member]	Sep. 30, 2013 Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2012 Fair Value, Inputs, Level 3 [Member]	Sep. 30, 2013	Dec. 31, 2012
Assets
Impaired loans in gross loans	$ 25			$ 25	$ 189	$ 6,522	$ 6,474
Impaired loans in gross loans	Internal assessment of collateral value	Appraisals of collateral value	Internal valuation
Impaired loans in gross loans	Adjustments to estimated value based on recent sales of comparable collateral	Adjustments to appraisal for age of comparable sales	Appraisals and/or sales of comparable properties
Foreclosed real estate and repossessed personal property		6,403		6,403	9,163	7,155	9,980
Foreclosed real estate and repossessed personal property	Internal assessment of collateral value	Appraisals of collateral value	Internal valuation
Foreclosed real estate and repossessed personal property	Adjustments to estimated value based on recent sales of comparable collateral	Adjustments to appraisal for age of comparable sales	Appraisals and/or sales of comparable properties
Long-lived assets held for sale			$ 685	$ 685	$ 685	$ 685	$ 685
Long-lived assets held for sale	Internal assessment of collateral value	Appraisals of collateral value	Internal valuation
Long-lived assets held for sale	Adjustments to estimated value based on recent sales of comparable collateral	Adjustments to appraisal for age of comparable sales	Appraisals and/or sales of comparable properties