Note 15 - Fair Values (Details) - Fair Value of Assets Measured on a Non-Recurring Basis (USD $) In Thousands, unless otherwise specified	Sep. 30, 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	$ 189,379	$ 216,640
Fair Value, Inputs, Level 1 [Member] | Other Real Estate Owned [Member] | 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		0
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] | Other Real Estate Owned [Member] | 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		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	189,379	216,640
Fair Value, Inputs, Level 3 [Member] | Impaired Loans [Member] | 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	12,550	2,317
Fair Value, Inputs, Level 3 [Member] | Other Real Estate Owned [Member] | 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		913
Fair Value, Inputs, Level 3 [Member] | 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	12,550	3,230
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
Impaired Loans [Member] | 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	12,550	2,317
Other Real Estate Owned [Member] | 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		913
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	$ 12,550	$ 3,230