Note 19 - 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	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
OREO [Member] | Fair Value, Inputs, Level 3 [Member] | Minimum [Member]
Note 19 - Fair Value Measurements (Details) - Quantitative Information about Unobservable Inputs for Assets Measured on a Nonrecurring Basis Using Level 3 Measurements [Line Items]
Marketability discount	1.30%
OREO [Member] | Fair Value, Inputs, Level 3 [Member] | Maximum [Member]
Note 19 - Fair Value Measurements (Details) - Quantitative Information about Unobservable Inputs for Assets Measured on a Nonrecurring Basis Using Level 3 Measurements [Line Items]
Marketability discount	19.90%
OREO [Member] | Fair Value, Inputs, Level 3 [Member] | Weighted Average [Member]
Note 19 - Fair Value Measurements (Details) - Quantitative Information about Unobservable Inputs for Assets Measured on a Nonrecurring Basis Using Level 3 Measurements [Line Items]
Marketability discount	6.20%
OREO [Member] | Fair Value, Inputs, Level 3 [Member]
Note 19 - 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)	$ 14,445	$ 24,733
Valuation technique	Discounted appraisals
Unobservable inputs	Marketability discount
OREO [Member]
Note 19 - 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)	14,445	24,733
Fair Value, Inputs, Level 3 [Member] | Impaired Loans [Member] | Minimum [Member]
Note 19 - Fair Value Measurements (Details) - Quantitative Information about Unobservable Inputs for Assets Measured on a Nonrecurring Basis Using Level 3 Measurements [Line Items]
Marketability discount	0.00%
Fair Value, Inputs, Level 3 [Member] | Impaired Loans [Member] | Maximum [Member]
Note 19 - Fair Value Measurements (Details) - Quantitative Information about Unobservable Inputs for Assets Measured on a Nonrecurring Basis Using Level 3 Measurements [Line Items]
Marketability discount	6.00%
Fair Value, Inputs, Level 3 [Member] | Impaired Loans [Member] | Weighted Average [Member]
Note 19 - Fair Value Measurements (Details) - Quantitative Information about Unobservable Inputs for Assets Measured on a Nonrecurring Basis Using Level 3 Measurements [Line Items]
Marketability discount	1.00%
Fair Value, Inputs, Level 3 [Member] | Impaired Loans [Member]
Note 19 - 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)	1,570	5,659
Valuation technique	Discounted appraisals
Unobservable inputs	Marketability discount
Impaired Loans [Member]
Note 19 - 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)	$ 1,570	$ 5,659