Note 9 - Other Real Estate Owned (Detail) - Other Real Estate Owned (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Other Real Estate Owned	$ 49,130	$ 52,562
Construction and Land Development OREO [Member]
Other Real Estate Owned	30,344	32,360
Residential Real Estate OREO [Member]
Other Real Estate Owned	3,895	4,605
Farmland and Other Commercial Enterprises OREO [Member]
Other Real Estate Owned	14,891	15,597
Total OREO [Member]
Other Real Estate Owned	$ 49,130	$ 52,562