Note 10 - Fair Value of Financial Instruments (Details) - Quantitative Information About Non-Recurring Level 3 Fair Value of Financial Instruments and the Fair Value Measurements (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014
Loans Held For Sale [Member] | Maximum [Member]
Assets:
Range (Weighted Average)	48.60%
Loans Held For Sale [Member] | Weighted Average [Member]
Assets:
Range (Weighted Average)	(48.60%)
Loans Held For Sale [Member]
Assets:
Fair Value (in Dollars)	$ 1,150
Valuation Technique	Fair value of collateral
Unobservable Input	Loss severity discount
Impaired loans [Member] | Minimum [Member]
Assets:
Range (Weighted Average)	0.50%
Impaired loans [Member] | Maximum [Member]
Assets:
Range (Weighted Average)	89.50%
Impaired loans [Member] | Weighted Average [Member]
Assets:
Range (Weighted Average)	(29.10%)
Impaired loans [Member]
Assets:
Fair Value (in Dollars)	26,847
Valuation Technique	Fair value of collateral
Unobservable Input	Loss severity discount
Other real estate owned [Member] | Minimum [Member]
Assets:
Range (Weighted Average)	0.00%
Other real estate owned [Member] | Maximum [Member]
Assets:
Range (Weighted Average)	24.60%
Other real estate owned [Member] | Weighted Average [Member]
Assets:
Range (Weighted Average)	(1.60%)
Other real estate owned [Member]
Assets:
Fair Value (in Dollars)	$ 5,792
Valuation Technique	Fair value of collateral
Unobservable Input	Loss severity discount