Note 9 - Premises and Equipment - Major Categories of Premises and Equipment and Accumulated Depreciation (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Premises and equipment, gross	$ 90,176	$ 89,095
Less accumulated depreciation	(36,195)	(32,724)
Total premises and equipment, net	53,981	56,371
Land [Member]
Premises and equipment, gross	13,729	13,786
Building and Building Improvements [Member]
Premises and equipment, gross	44,620	44,121
Furniture and Equipment [Member]
Premises and equipment, gross	$ 31,827	$ 31,188