Note 6 - Premises and Equipment - Premises and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Property, plant, and equipment, gross	$ 206,218	$ 205,144
Less: Accumulated depreciation/amortization	106,816	102,146
Premises and equipment, net	99,402	102,998
Land and Land Improvements [Member]
Property, plant, and equipment, gross	42,475	42,476
Building and Building Improvements [Member]
Property, plant, and equipment, gross	81,290	79,953
Furniture Fixtures and Equipment [Member]
Property, plant, and equipment, gross	62,138	62,835
Leasehold Improvements [Member]
Property, plant, and equipment, gross	17,862	17,819
Construction in Progress [Member]
Property, plant, and equipment, gross	$ 2,453	$ 2,061

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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