Consolidated Statements of Shareholders' Equity (Unaudited) (Parentheticals) - $ / shares	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Stock Appreciation Rights (SARs) [Member]
Exercise of Stock award, share (in shares)	522	390
Restricted Stock Units (RSUs) [Member]
Vested RSU shares (in shares)	(0)	1,846
Common stock issuances from reinvested dividends, number of shares (in shares)	2,236	2,557
Common Stock, Dividends, Per Share, Declared (in dollars per share)	$ 0.20	$ 0.18
Stock Issued During Period, Shares, Employee Stock Ownership Plan (in shares)		5,176

Aggregate dividends declared during the period for each share of common stock outstanding.

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