CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Stockholders' Equity [Abstract]
Cash dividends (in dollars per share)	$ 1.09	$ 1.08	$ 1.05
Issuance of common shares pursuant to stock-based compensation plan, net (in shares)	85,056	72,448	34,810
Purchase of common shares (in shares)	713,857	162,901	154,593