Note 13 - Fair Value of Financial Instruments - Level 3 Assets Measured At Fair Value (Details) - Measurement Input, Appraised Value [Member]	Jun. 30, 2023	Dec. 31, 2022
Other Real Estate Owned	0.30	0.30
Minimum [Member]
Loans Held for Sale		0.08
Maximum [Member]
Loans Held for Sale		0.13
Land Held for Sale [Member]
Loans Held for Sale	0.10	0.10
Collateral Dependent Loans [Member] | Minimum [Member]
Loans Held for Sale	0.08
Collateral Dependent Loans [Member] | Maximum [Member]
Loans Held for Sale	0.13