Note 13 - Derivative Financial Instruments - Offset Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Gross amount of recognized assets	$ 7,535	$ 9,010
Gross amounts offset in the statements of financial condition	0	0
Net amount of assets presented in the statement of financial condition	7,535	9,010
Financial instruments	0	0
Cash collateral received	0	0
Net amount	7,535	9,010
Interest Rate Swap [Member]
Gross amount of recognized assets	7,440	8,972
Gross amounts offset in the statements of financial condition	0	0
Net amount of assets presented in the statement of financial condition	7,440	8,972
Financial instruments	0	0
Cash collateral received	0	0
Net amount	7,440	8,972
Interest Rate Lock Commitments [Member]
Gross amount of recognized assets	95	38
Gross amounts offset in the statements of financial condition	0	0
Net amount of assets presented in the statement of financial condition	95	38
Financial instruments	0	0
Cash collateral received	0	0
Net amount	$ 95	$ 38