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Note 15 - Fair Values (Details) - Fair Value of Assets Measured on a Non-Recurring Basis (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Note 15 - Fair Values (Details) - Fair Value of Assets Measured on a Non-Recurring Basis [Line Items]    
Assets measured at fair value $ 204,010 $ 216,640
Fair Value, Measurements, Nonrecurring [Member] | Impaired Loans [Member] | Fair Value, Inputs, Level 1 [Member]
    
Note 15 - Fair Values (Details) - Fair Value of Assets Measured on a Non-Recurring Basis [Line Items]    
Assets measured at fair value 0 0
Fair Value, Measurements, Nonrecurring [Member] | Impaired Loans [Member] | Fair Value, Inputs, Level 2 [Member]
    
Note 15 - Fair Values (Details) - Fair Value of Assets Measured on a Non-Recurring Basis [Line Items]    
Assets measured at fair value 0 0
Fair Value, Measurements, Nonrecurring [Member] | Impaired Loans [Member] | Fair Value, Inputs, Level 3 [Member]
    
Note 15 - Fair Values (Details) - Fair Value of Assets Measured on a Non-Recurring Basis [Line Items]    
Assets measured at fair value 15,281 2,317
Fair Value, Measurements, Nonrecurring [Member] | Impaired Loans [Member]
    
Note 15 - Fair Values (Details) - Fair Value of Assets Measured on a Non-Recurring Basis [Line Items]    
Assets measured at fair value 15,281 2,317
Fair Value, Measurements, Nonrecurring [Member] | Other Real Estate Owned [Member] | Fair Value, Inputs, Level 1 [Member]
    
Note 15 - Fair Values (Details) - Fair Value of Assets Measured on a Non-Recurring Basis [Line Items]    
Assets measured at fair value 0 0
Fair Value, Measurements, Nonrecurring [Member] | Other Real Estate Owned [Member] | Fair Value, Inputs, Level 2 [Member]
    
Note 15 - Fair Values (Details) - Fair Value of Assets Measured on a Non-Recurring Basis [Line Items]    
Assets measured at fair value 0 0
Fair Value, Measurements, Nonrecurring [Member] | Other Real Estate Owned [Member] | Fair Value, Inputs, Level 3 [Member]
    
Note 15 - Fair Values (Details) - Fair Value of Assets Measured on a Non-Recurring Basis [Line Items]    
Assets measured at fair value 623 913
Fair Value, Measurements, Nonrecurring [Member] | Other Real Estate Owned [Member]
    
Note 15 - Fair Values (Details) - Fair Value of Assets Measured on a Non-Recurring Basis [Line Items]    
Assets measured at fair value 623 913
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 1 [Member]
    
Note 15 - Fair Values (Details) - Fair Value of Assets Measured on a Non-Recurring Basis [Line Items]    
Assets measured at fair value 0 0
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member]
    
Note 15 - Fair Values (Details) - Fair Value of Assets Measured on a Non-Recurring Basis [Line Items]    
Assets measured at fair value 0 0
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member]
    
Note 15 - Fair Values (Details) - Fair Value of Assets Measured on a Non-Recurring Basis [Line Items]    
Assets measured at fair value 15,904 3,230
Fair Value, Measurements, Nonrecurring [Member]
    
Note 15 - Fair Values (Details) - Fair Value of Assets Measured on a Non-Recurring Basis [Line Items]    
Assets measured at fair value 15,904 3,230
Fair Value, Inputs, Level 1 [Member]
    
Note 15 - Fair Values (Details) - Fair Value of Assets Measured on a Non-Recurring Basis [Line Items]    
Assets measured at fair value 0 0
Fair Value, Inputs, Level 2 [Member]
    
Note 15 - Fair Values (Details) - Fair Value of Assets Measured on a Non-Recurring Basis [Line Items]    
Assets measured at fair value 204,010 216,640
Fair Value, Inputs, Level 3 [Member]
    
Note 15 - Fair Values (Details) - Fair Value of Assets Measured on a Non-Recurring Basis [Line Items]    
Assets measured at fair value $ 0 $ 0