Consolidated Statements of Shareholders' Equity (Parentheticals) - $ / shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Options and Stock Appreciation Rights (SARs) [Member]
Exercise of Stock award, share (in shares)			10,604
Restricted Stock Units (RSUs) [Member]
Vested RSU shares (in shares)	3,484	6,205	4,171
Preferred Stock [Member]
Stock Issued During Period, New Issues (in shares)			1,500
Stock Appreciation Rights (SARs) [Member]
Exercise of Stock award, share (in shares)	5,470	5,841
Vested RSU shares (in shares)	3,484
Stock Issued During Period, Shares, Employee Stock Ownership Plan (in shares)		20,702	23,002
Stock Repurchased and Retired During Period, Shares (in shares)			248,244
Common stock issuances from reinvested dividends, number of shares (in shares)	10,124	7,773	11,588
Common Stock, Dividends, Per Share, Declared (in dollars per share)	$ 0.84	$ 0.76	$ 0.7
Shares issued for acquisition (in shares)	1,880,732