Note 24 - Fair Value of Financial Instruments - Assets Measured on a Nonrecurring Basis (Details) - Fair Value, Nonrecurring [Member] - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Assets measured on a nonrecurring basis	$ 6,435	$ 18,250
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	0	0
Fair Value, Inputs, Level 3 [Member]
Assets measured on a nonrecurring basis	6,435	18,250
Impaired Loans [Member]
Assets measured on a nonrecurring basis	4,750	16,816
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	4,750	16,816
Other Nonperforming Assets [Member]
Assets measured on a nonrecurring basis	1,685	1,434
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	$ 1,685	$ 1,434