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	3 Months Ended
	Mar. 31, 2014
Impaired loans [Member]
Assets:
Fair Value (in Dollars)	$ 20,291
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)	94.60%
Impaired loans [Member] | Weighted Average [Member]
Assets:
Range (Weighted Average)	(37.40%)
Other real estate owned [Member]
Assets:
Fair Value (in Dollars)	$ 1,700
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)	42.10%
Other real estate owned [Member] | Weighted Average [Member]
Assets:
Range (Weighted Average)	(10.60%)