Consolidated Statements of Changes in Shareholders' Equity (Unaudited) (Parenthetical) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Stockholders' Equity [Abstract]
Cash dividends declared (in dollars per share)	$ 0.65	$ 0.60	$ 1.30	$ 1.20
Exercise of stock options (in shares)		13,078		13,078
Purchase of treasury shares (in shares)	269,338	208,243	487,587	246,450