Note 8 - Core Deposit and Customer List Intangible Assets (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Mar. 07, 2022	May 31, 2021	May 01, 2019	Dec. 31, 2013
Gain (Loss) on Disposition of Business	$ (0)	$ (870,000)	$ (0)
Landmark Financial Advisors, LLC (LFA) [Member]
Gain (Loss) on Disposition of Business		$ (870,000)
Core Deposits [Member] | Commonwealth [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles				$ 12,724,000
Core Deposits [Member] | Kentucky Bancshares [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles					$ 4,000,000
Core Deposits [Member] | King Bancorp Inc. [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles						$ 2,000,000
Core Deposits [Member] | THE BANCorp [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles							$ 3,000,000
Customer Lists [Member] | Commonwealth [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles				14,360,000
Customer Lists [Member] | WM&T [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles				12,000,000
Customer Lists [Member] | Landmark Financial Advisors, LLC (LFA) [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles				$ 2,000,000