Note 8 - Premises and Equipment - Bank Premises and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment, Gross	$ 120,146	$ 111,388
Property, Plant and Equipment, Net	69,480	63,177
Less: Accumulated Depreciation	(50,666)	(48,211)
Property, Plant and Equipment, Net	69,480	63,177
Land [Member]
Property, Plant and Equipment, Gross	7,545	7,831
Building and Leasehold Improvements [Member]
Property, Plant and Equipment, Gross	56,513	52,167
Furniture and Equipment [Member]
Property, Plant and Equipment, Gross	35,252	33,913
Right of Use Asset [Member]
Property, Plant and Equipment, Net	20,836	17,477
Property, Plant and Equipment, Net	$ 20,836	$ 17,477