Note 21 - Fair Value - Quantitative Information About Level Fair Value Measurements (Details) - Valuation Technique, Appraisal of Collateral [Member] - Measurement Input, Appraised Value [Member] $ in Thousands	Dec. 31, 2021 USD ($) item	Dec. 31, 2020 USD ($)
Impaired Loans Leases [Member]
Fair value | $	$ 6,618	$ 9,926
Valuation technique	Valuation Technique, Appraisal of Collateral [Member]
Unobservable input	Measurement Input, Appraised Value [Member]
Impaired Loans Leases [Member] | Minimum
Impaired loans/leases, measurement input	(10.00)
Impaired Loans Leases [Member] | Maximum
Impaired loans/leases, measurement input	(30.00)
Other Real Estate Owned [Member]
Fair value | $		$ 22
Valuation technique	Valuation Technique, Appraisal of Collateral [Member]
Unobservable input	Measurement Input, Appraised Value [Member]
Other Real Estate Owned [Member] | Minimum
OREO, measurement input	0.00
Other Real Estate Owned [Member] | Maximum
OREO, measurement input	(35.00)