Note 8 - Other Real Estate Owned - OREO Activity (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Beginning balance	$ 21,843	$ 31,960
Transfers from loans and other increases	1,790	1,274
Proceeds from sales	(6,996)	(9,642)
Gain (loss) on sales, net	30	(129)
Write downs and other decreases, net	(1,331)	(595)
Ending balance	$ 15,336	$ 22,868