Note 5 - Other Real Estate Owned (Details) - OREO Activity - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
OREO Activity [Abstract]
Beginning balance	$ 31,960	$ 37,826
Transfers from loans and other increases	1,514	8,874
Proceeds from sales	(10,342)	(11,336)
Loss on sales, net	(188)	(776)
Write downs and other decreases, net	(1,101)	(2,628)
Ending balance	$ 21,843	$ 31,960