Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022	[1]
Debt Securities, Held-to-maturity, Fair Value	$ 88,213	$ 86,627
Preferred stock, par or stated value per share (in dollars per share)	$ 1.00	$ 1.00
Preferred stock, shares authorized (in shares)	250,000	250,000
Preferred stock, shares issued (in shares)	1,500	1,500
Common Stock, par value (in dollars per share)	$ 2.50	$ 2.50
Common stock, shares authorized (in shares)	20,000,000	20,000,000
Common stock, shares issued (in shares)	12,786,404	12,783,646
Common stock, shares outstanding (in shares)	12,786,404	12,783,646

[1] Derived from audited consolidated financial statements