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Stock-Based Compensation - Restricted Stock and RSUs Activity (Details) - 2020 Incentive Award Plan - $ / shares
3 Months Ended 12 Months Ended
Mar. 31, 2024
Mar. 31, 2022
Dec. 31, 2023
Dec. 31, 2022
Restricted Stock and Restricted Stock Units (RSUs)        
Number of Shares        
Unvested, beginning balance (in shares) 3,303,849      
Granted (in shares) 830,534      
Vested (in shares) (606,781)      
Forfeited and canceled (in shares) (55,497)      
Unvested, ending balance (in shares) 3,472,105   3,303,849  
Time-Based Restricted Stock and Restricted Stock Units (RSUs)        
Number of Shares        
Unvested, beginning balance (in shares) 2,938,208      
Granted (in shares) 670,560      
Vested (in shares) (424,991)      
Forfeited and canceled (in shares) (55,497)      
Unvested, ending balance (in shares) 3,128,280   2,938,208  
Weighted Average Grant Date Fair Value Per Share        
Unvested, beginning balance (USD per share) $ 39.87      
Granted (USD per share) 51.36      
Vested (USD per share) 40.30      
Forfeited and canceled (USD per share) 36.01      
Unvested, ending balance (USD per share) $ 42.34   $ 39.87  
Performance Based Restricted Stock And Restricted Stock Units (RSUs)        
Number of Shares        
Unvested, beginning balance (in shares) 365,641      
Granted (in shares) 159,974      
Vested (in shares) (181,790)      
Forfeited and canceled (in shares) 0      
Unvested, ending balance (in shares) 343,825   365,641  
Weighted Average Grant Date Fair Value Per Share        
Unvested, beginning balance (USD per share) $ 39.21      
Granted (USD per share) 48.60      
Vested (USD per share) 39.15      
Forfeited and canceled (USD per share) 0.00      
Unvested, ending balance (USD per share) $ 43.61   $ 39.21  
Cash-Settled Restricted Stock Units (RSUs)        
Number of Shares        
Granted (in shares) 51,638      
Time-Based Restricted Stock Units (RSUs)        
Number of Shares        
Granted (in shares)   199,076    
Performance Based Restricted Stock Units (RSUs)        
Number of Shares        
Granted (in shares)     1,335 185,186