Note 6 - Bank Premises and Equipment - Property, Plant, and Equipment, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Property, plant, and equipment, gross	$ 31,464	$ 28,027
Accumulated depreciation	(13,946)	(13,602)
Net	17,518	14,425
Land [Member]
Property, plant, and equipment, gross	3,537	3,383
Building and Building Improvements [Member]
Property, plant, and equipment, gross	12,798	10,865
Furniture and Fixtures [Member]
Property, plant, and equipment, gross	11,551	10,178
Leasehold Improvements [Member]
Property, plant, and equipment, gross	$ 3,578	$ 3,601

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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