Note 22 - Commitments - (Details Textual) - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Federal Home Loan Bank Advances [Member]
Letters of Credit Outstanding, Amount	$ 173,700,000	$ 223,900,000
Letters of Credit Expiring January 2023 [Member]
Letters of Credit Outstanding, Amount	146,500,000
Letters of Credit Expiring March 2023 [Member]
Letters of Credit Outstanding, Amount	403,000
Letters of Credit Expiring May 2023 [Member]
Letters of Credit Outstanding, Amount	87,000
Letters of Credit Expiring November 2023 [Member]
Letters of Credit Outstanding, Amount	197,000
Letters of Credit Expiring December 2023 [Member]
Letters of Credit Outstanding, Amount	329,000
Letters of Credit Expiring in April 2024 [Member]
Letters of Credit Outstanding, Amount	22,800,000
Letters of Credit Expiring August 2024 [Member]
Letters of Credit Outstanding, Amount	$ 3,300,000