Consolidated Statements of Shareholders' Equity (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Stockholders' Equity [Abstract]
Purchase of treasury stock (in shares)	191,983	519,387	111,754
Restricted share units converted to common stock (in shares)			52,173
Cash dividends per common share (in dollars per share)	$ 0.50	$ 0.25	$ 0.50