Consolidated Statements of Changes in Shareholders' Equity (Parentheticals) - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Issuance of common stock for acquisition, shares (in shares)			2,361,686
Stock repurchased, shares (in shares)	265,939	140,526	85,868
Stock options exercised, shares (in shares)	5,346	2,573	37,104
Vesting of restricted stock, shares (in shares)	23,968	18,487	21,747
Equity based compensation, shares (in shares)	45,193	48,780	38,281
Cash dividends paid, per share (in dollars per share)	$ 1.09	$ 1.08	$ 1.04