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Earnings Per Share - (Details) - shares
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Reconciliation of number of shares used in calculation of basic and diluted earnings per share    
Weighted average number of common shares outstanding 77,224,165 80,608,996
Effect of non-participatory equity compensation (in shares) 25,000 40,000
Weighted average number of common shares outstanding, including effect of dilutive securities 77,249,165 80,648,996