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Earnings Per Common Share (Details Textuals) - shares
shares in Millions
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Approximate anti-dilutive stock options    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 2 3