Annual report pursuant to Section 13 and 15(d)

Earnings Per Share - Reconciliation of Number of Common Stock used in Computing Basic and Diluted Earning Per Share (Details)

v3.20.4
Earnings Per Share - Reconciliation of Number of Common Stock used in Computing Basic and Diluted Earning Per Share (Details) - shares
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Weighted Average Number Of Shares Outstanding [Abstract]      
Weighted average shares outstanding - basic 117,737,180 120,414,218 122,885,346
Dilutive effect of share-based awards 756,023 195,381 144,326
Weighted average shares outstanding - diluted 118,493,203 120,609,599 123,029,672