Note 15 - Derivatives and Hedging Activities - Fair Value of Derivative Instruments (Details) - Interest Rate Swap [Member] - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Notional Amount	$ 401,572,000	$ 279,419,000
Other Assets [Member]
Derivative Assets Interest rate swaps	25,697,000	4,609,000
Other Liabilities [Member]
Derivative Liabilities Interest rate swaps	$ 25,900,000	$ 4,857,000