Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.2
Earnings Per Share - Reconciliation of Number of Common Stock used in Computing Basic and Diluted Earning Per Share (Details) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Weighted Average Number Of Shares Outstanding [Abstract]        
Weighted average shares outstanding - basic 80,522,276 82,067,872 80,776,296 82,160,159
Dilutive effect of share-based awards 123,088 101,680 116,787 102,126
Weighted average shares outstanding - diluted 80,645,364 82,169,552 80,893,083 82,262,285