Consolidated Statements of Changes in Shareholders' Equity (Unaudited) (Parentheticals) - $ / shares	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Employee stock purchase plan (in shares)	281	331
Dividend reinvestment plan (in shares)	5,835	6,647
Stock option exercises (in shares)	1,355
Cash dividends per common share (in dollars per share)	$ 0.31	$ 0.29
Share repurchase program (in shares)		118,261

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

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