Consolidated Statements of Changes in Shareholders' Equity (Unaudited) (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement of Stockholders' Equity [Abstract]
Cash dividends declared (in dollars per share)	$ 0.65	$ 0.58	$ 1.85	$ 1.74
Exercise of stock options (in shares)	556	1,408	13,634	13,098
Purchase of treasury shares (in shares)	8,971	336,793	255,421	628,809