Note 8 - Other Real Estate Owned - OREO Activity (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Beginning balance	$ 10,673	$ 21,843
Transfers from loans and other increases	193	551
Proceeds from sales	(2,871)	(778)
Gain (loss) on sales, net	115	(21)
Write downs and other decreases, net	(110)	(597)
Ending balance	$ 8,000	$ 20,998