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Earnings per Common Share - Narrative (Details) - shares
shares in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Earnings Per Share [Abstract]        
Shares excluded from calculation of earnings per common share (in shares) 0.1 0.2 0.2 0.1