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, 2013
Loans Held For Sale [Member]
Assets:
Fair Value (in Dollars)	$ 5,485
Valuation Technique	Fair value of collateral
Unobservable Input	Loss severity discount
Loans Held For Sale [Member] | Minimum [Member]
Assets:
Range (Weighted Average)	24.50%
Loans Held For Sale [Member] | Maximum [Member]
Assets:
Range (Weighted Average)	57.90%
Loans Held For Sale [Member] | Weighted Average [Member]
Assets:
Range (Weighted Average)	(56.20%)
Impaired loans [Member]
Assets:
Fair Value (in Dollars)	27,813
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)	90.40%
Impaired loans [Member] | Weighted Average [Member]
Assets:
Range (Weighted Average)	(33.50%)
Other real estate owned [Member]
Assets:
Fair Value (in Dollars)	$ 3,503
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)	(8.10%)