Consolidated Statement of Stockholders' Equity (Unaudited) (Parentheticals) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Common dividends, per share declared (in dollars per share)	$ 0.23	$ 0.20	$ 0.23	$ 0.20
Shares withheld in net settlement upon exercise of stock options (in shares)	2,551	13,528	10,953	49,771
Common dividends, per share (in dollars per share)			$ 0.23	$ 0.20