Earnings Per Share (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Class of Stock [Line Items]
Stock Issued During Period, Shares, Stock Splits			0	3,328,574
Participating securities (shares)	122,455	65,062	116,631	59,166
Anti-dilutive shares (shares)	1,358,696	1,734,610	1,250,722	1,603,198
Weighted average common shares outstanding for basic calculation (shares)	267,560,712	267,249,580	267,440,501	268,233,233
Add: Effect of stock options, deferred stock units and restricted stock units (shares)	247,232	10,815	324,877	10,764
Weighted average common shares outstanding for diluted calculation (shares)	267,807,944	267,260,395	267,765,378	268,243,997
Participating securities (shares)	122,455	65,062	116,631	59,166
Anti-dilutive shares (shares)	1,358,696	1,734,610	1,250,722	1,603,198
Common Stock
Class of Stock [Line Items]
Stock Repurchased and Retired During Period, Shares	294,250