Note 8 - Other Real Estate Owned (Details) - Other Real Estate Owned (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013	Dec. 31, 2012
Note 8 - Other Real Estate Owned (Details) - Other Real Estate Owned [Line Items]
Other Real Estate Owned	$ 34,766	$ 37,826	$ 41,661	$ 52,562
Construction and Land Development OREO [Member]
Note 8 - Other Real Estate Owned (Details) - Other Real Estate Owned [Line Items]
Other Real Estate Owned	19,982	23,504
Residential Real Estate OREO [Member]
Note 8 - Other Real Estate Owned (Details) - Other Real Estate Owned [Line Items]
Other Real Estate Owned	2,112	2,695
Farmland and Other Commercial Enterprises OREO [Member]
Note 8 - Other Real Estate Owned (Details) - Other Real Estate Owned [Line Items]
Other Real Estate Owned	12,672	11,627
OREO [Member]
Note 8 - Other Real Estate Owned (Details) - Other Real Estate Owned [Line Items]
Other Real Estate Owned	$ 34,766	$ 37,826