Note 6 - Premises and Equipment - Summary of Property Plant and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment, Gross	$ 57,574	$ 49,561
Less accumulated depreciation and amortization	(26,996)	(24,442)
Total	30,578	25,119
Land [Member]
Property, Plant and Equipment, Gross	7,925	5,715
Building [Member]
Property, Plant and Equipment, Gross	20,814	16,934
Furniture Fixtures and Equipment [Member]
Property, Plant and Equipment, Gross	17,962	16,226
Leasehold Improvements [Member]
Property, Plant and Equipment, Gross	2,680	2,461
Building Improvements [Member]
Property, Plant and Equipment, Gross	8,043	7,688
Construction in Progress [Member]
Property, Plant and Equipment, Gross	$ 150	$ 537