Note 6 - Fair Value Measurements (Details) - Quantitative Information About Unobservable Inputs for Assets Measured on A Nonrecurring Basis Using Level 3 Measurements (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
OREO [Member] | Fair Value, Inputs, Level 3 [Member]
Note 6 - Fair Value Measurements (Details) - Quantitative Information About Unobservable Inputs for Assets Measured on A Nonrecurring Basis Using Level 3 Measurements [Line Items]
Fair Value (in Dollars)	$ 15,689	$ 21,182
Valuation Technique	Discounted appraisals
Unobservable Inputs	Marketability discount
OREO [Member]
Note 6 - Fair Value Measurements (Details) - Quantitative Information About Unobservable Inputs for Assets Measured on A Nonrecurring Basis Using Level 3 Measurements [Line Items]
Fair Value (in Dollars)	15,689	21,182
OREO [Member] | Minimum [Member] | Fair Value, Inputs, Level 3 [Member]
Note 6 - Fair Value Measurements (Details) - Quantitative Information About Unobservable Inputs for Assets Measured on A Nonrecurring Basis Using Level 3 Measurements [Line Items]
Range Low	1.00%
OREO [Member] | Maximum [Member] | Fair Value, Inputs, Level 3 [Member]
Note 6 - Fair Value Measurements (Details) - Quantitative Information About Unobservable Inputs for Assets Measured on A Nonrecurring Basis Using Level 3 Measurements [Line Items]
Range Low	50.00%
OREO [Member] | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member]
Note 6 - Fair Value Measurements (Details) - Quantitative Information About Unobservable Inputs for Assets Measured on A Nonrecurring Basis Using Level 3 Measurements [Line Items]
Range Low	4.50%
Impaired Loans [Member] | Fair Value, Inputs, Level 3 [Member]
Note 6 - Fair Value Measurements (Details) - Quantitative Information About Unobservable Inputs for Assets Measured on A Nonrecurring Basis Using Level 3 Measurements [Line Items]
Fair Value (in Dollars)	6,813	23,843
Valuation Technique	Discounted appraisals
Unobservable Inputs	Marketability discount
Impaired Loans [Member]
Note 6 - Fair Value Measurements (Details) - Quantitative Information About Unobservable Inputs for Assets Measured on A Nonrecurring Basis Using Level 3 Measurements [Line Items]
Fair Value (in Dollars)	$ 6,813	$ 23,843
Minimum [Member] | Impaired Loans [Member] | Fair Value, Inputs, Level 3 [Member]
Note 6 - Fair Value Measurements (Details) - Quantitative Information About Unobservable Inputs for Assets Measured on A Nonrecurring Basis Using Level 3 Measurements [Line Items]
Range Low	0.00%
Maximum [Member] | Impaired Loans [Member] | Fair Value, Inputs, Level 3 [Member]
Note 6 - Fair Value Measurements (Details) - Quantitative Information About Unobservable Inputs for Assets Measured on A Nonrecurring Basis Using Level 3 Measurements [Line Items]
Range Low	24.60%
Weighted Average [Member] | Impaired Loans [Member] | Fair Value, Inputs, Level 3 [Member]
Note 6 - Fair Value Measurements (Details) - Quantitative Information About Unobservable Inputs for Assets Measured on A Nonrecurring Basis Using Level 3 Measurements [Line Items]
Range Low	1.40%