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Stock-Based Compensation Plans and Employee Benefits (401(k) Plan) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Share-based Payment Arrangement [Abstract]        
Gross contributions made by the Company $ 0.1 $ 0.1 $ 0.9 $ 0.7