Earnings Per Share - Reconciliation of Average Share Amounts used to Compute Both Basic and Diluted Earnings Per Share (Details) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Weighted average shares outstanding:
Basic weighted average shares outstanding (in shares)	117,407	116,397	116,175
Add: Dilutive effect of stock options, RSUs, and contingently issuable shares (in shares)	1,240	1,682	2,396
Diluted weighted average shares outstanding (in shares)	118,647	118,079	118,571