Note 6 - Premises and Equipment - Premises and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Land, buildings, and leasehold improvements	$ 60,399	$ 59,708
Furniture and equipment	18,188	17,586
Total premises and equipment	78,587	77,294
Less accumulated depreciation and amortization	46,687	44,182
Premises and equipment, net	$ 31,900	$ 33,112