Note 24 - Fair Value of Financial Instruments - Assets Measured on a Nonrecurring Basis (Details) - Fair Value, Nonrecurring [Member] - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Assets measured on a nonrecurring basis	$ 20,577	$ 21,951
Fair Value, Inputs, Level 1 [Member]
Assets measured on a nonrecurring basis	0	0
Fair Value, Inputs, Level 2 [Member]
Assets measured on a nonrecurring basis	2,327	1,775
Fair Value, Inputs, Level 3 [Member]
Assets measured on a nonrecurring basis	18,250	20,176
Impaired Loans [Member]
Assets measured on a nonrecurring basis	16,816	18,749
Impaired Loans [Member] | Fair Value, Inputs, Level 1 [Member]
Assets measured on a nonrecurring basis	0	0
Impaired Loans [Member] | Fair Value, Inputs, Level 2 [Member]
Assets measured on a nonrecurring basis	0	0
Impaired Loans [Member] | Fair Value, Inputs, Level 3 [Member]
Assets measured on a nonrecurring basis	16,816	18,749
Servicing Rights [Member]
Assets measured on a nonrecurring basis	2,327	1,775
Servicing Rights [Member] | Fair Value, Inputs, Level 1 [Member]
Assets measured on a nonrecurring basis	0	0
Servicing Rights [Member] | Fair Value, Inputs, Level 2 [Member]
Assets measured on a nonrecurring basis	2,327	1,775
Servicing Rights [Member] | Fair Value, Inputs, Level 3 [Member]
Assets measured on a nonrecurring basis	0	0
Other Nonperforming Assets [Member]
Assets measured on a nonrecurring basis	1,434	1,427
Other Nonperforming Assets [Member] | Fair Value, Inputs, Level 1 [Member]
Assets measured on a nonrecurring basis	0	0
Other Nonperforming Assets [Member] | Fair Value, Inputs, Level 2 [Member]
Assets measured on a nonrecurring basis	0	0
Other Nonperforming Assets [Member] | Fair Value, Inputs, Level 3 [Member]
Assets measured on a nonrecurring basis	$ 1,434	$ 1,427