Note 8 - Other Real Estate Owned (Details) - OREO Activity - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
OREO Activity [Abstract]
Beginning balance	$ 21,843	$ 31,960
Transfers from loans and other increases	551	206
Proceeds from sales	(778)	(2,540)
(Loss) gain on sales, net	(21)	74
Write downs and other decreases, net	(597)	0
Ending balance	$ 20,998	$ 29,700