Note 7 - Bank Premises and Equipment, Net - Bank Premises and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Bank premises and equipment, gross	$ 51,719	$ 50,125
Less: Accumulated depreciation and amortization	25,158	24,503
Bank premises and equipment, net	26,561	25,622
Land [Member]
Bank premises and equipment, gross	0	745
Building and Leasehold Improvements [Member]
Bank premises and equipment, gross	29,795	29,610
Equipment and Furniture [Member]
Bank premises and equipment, gross	$ 21,924	$ 19,770

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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