Note 8 - Disclosures about Fair Value of Assets and Liabilities (Details) - Unobservable Inputs (USD $) In Thousands, unless otherwise specified			3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2014 Collateral Dependent [Member] Fair Value, Inputs, Level 3 [Member]	Mar. 31, 2014 Collateral Dependent [Member] Minimum [Member] Fair Value, Inputs, Level 3 [Member]	Mar. 31, 2014 Collateral Dependent [Member] Maximum [Member] Fair Value, Inputs, Level 3 [Member]	Mar. 31, 2014 Collateral Dependent [Member] Weighted Average [Member] Fair Value, Inputs, Level 3 [Member]	Mar. 31, 2014 Foreclosed Assets Held for Sale [Member] Fair Value, Inputs, Level 3 [Member]	Mar. 31, 2014 Fair Value, Inputs, Level 3 [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair Value	$ 12,146	$ 16,171	$ 4,257
Valuation Technique			Market Comparable				Market Comparable	Discounted cash flow
Unobservable Input			Discount to reflect realizable value				Discount to reflect realizable value	Discount rate
Range (Weighted Average)				0.00%	100.00%	(21.00%)	0.00%	0.00%