Note 8 - Other Real Estate Owned - OREO Activity (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Beginning balance	$ 10,673	$ 21,843
Transfers from loans and other increases	345	1,474
Proceeds from sales	(4,553)	(5,527)
Gain (loss) on sales, net	72	(125)
Write downs and other decreases, net	(350)	(732)
Ending balance	$ 6,187	$ 16,933