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Retirement Plans - Narrative (Details) - Deferred Compensation Arrangement with Individual, by Type of Compensation, Pension and Other Postretirement Benefits - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Defined Contribution Plan Disclosure [Line Items]          
Deferred compensation plan expense $ 883,000 $ 3,777,000 $ 6,682,000 $ 7,923,000  
DCP participant deferrals 43,000 118,000 101,000 1,651,000  
Contributions by employer $ 0 $ 0 $ 0 $ 0  
Class B Common Stock          
Defined Contribution Plan Disclosure [Line Items]          
Phantom shares issuable (in shares) 14,929,874   14,929,874   17,364,980
Shares reserved for future issuance (in shares) 4,382,666   4,382,666