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Employee Compensation and Benefit Plans - Schedule of Stock Option Activity (Footnote) (Details) - USD ($)
$ / shares in Units, $ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Share-Based Payment Arrangement [Abstract]      
Stock options which expired unexercised   74,834 10,208
Market-based options that have not met performance criteria (in shares) 4,500    
Average common stock trading price to determine market condition for options exercise $ 501.75    
Net aggregate intrinsic value of stock options outstanding $ 0.0    
Market-based options outstanding (in shares) 4,500    
Market-based options outstanding, exercisable (in shares) 0    
Weighted average remaining contractual term of options outstanding 2 years 6 months 21 days    
Weighted average remaining contractual term of options exercisable 2 years 10 months 2 days    
Total fair value of stock options vested and became exercisable $ 0.0 $ 0.0 $ 0.3