Consolidated Statements of Changes in Stockholders' Equity (Unaudited) (Parentheticals) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Stock repurchase, shares (in shares)	23,500	73,100	106,662	335,062
Other comprehensive income (loss), tax	$ (7,822)	$ (905,000)	$ (23,431,000)	$ (2,255,000)
Dividends, per share (in dollars per share)	$ 0	$ 0	$ 0.72	$ 0.70