Earnings Per Share - (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Reconciliation of number of shares used in calculation of basic and diluted earnings per share
Weighted average number of common shares outstanding	75,793,239	80,691,996	76,501,402	80,649,824
Effect of non-participatory equity compensation (in shares)	23,880	34,442	23,880	34,442
Weighted average number of common shares outstanding, including effect of dilutive securities	75,817,119	80,726,438	76,525,282	80,684,266