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Retirement Plans - Narrative (Details) - USD ($) | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2021 | Aug. 31, 2021
Defined Contribution Plan Disclosure [Line Items] |  |  |  |  |  |
Deferred compensation plan expense | $ (4,576,000) | $ 88,965,000 | $ (21,873,000) | $ 89,327,000 |  |
Nonqualified Plan | Deferred Compensation Arrangement with Individual, by Type of Compensation, Pension and Other Postretirement Benefits |  |  |  |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |  |  |  |
Deferred compensation plan income | 4,576,000 |  | 21,873,000 |  |  |
Deferred compensation plan expense |  | 88,965,000 |  | 89,327,000 |  |
DCP participant deferrals | 1,586,000 | 527,000 | 4,694,000 | 2,020,000 |  |
Contributions by employer | 0 | 0 | 0 | 0 |  |
Nonqualified Plan | Deferred Compensation Arrangement with Individual, by Type of Compensation, Pension and Other Postretirement Benefits | DCP, One-Time Inducement |  |  |  |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |  |  |  |
Reclassified cumulative compensation cost |  | 4,739,000 |  | 4,739,000 |  |
Deferred compensation plan expense | 90,721,000 | 90,721,000 | 90,721,000 | 90,721,000 |  |
Deferred compensation liability | $ 95,460,000 | $ 95,460,000 | $ 95,460,000 | $ 95,460,000 |  |
Nonqualified Plan | Deferred Compensation Arrangement with Individual, by Type of Compensation, Pension and Other Postretirement Benefits | Class B Common Stock |  |  |  |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |  |  |  |
Phantom shares, maximum elections (in shares) |  |  |  |  |  | 1,500,000
Reduction in shares outstanding, diluted (in shares) |  |  |  |  |  | 1,500,000
Reduction in shares outstanding, basic (in shares) |  |  |  |  |  | 1,500,000
Phantom shares issuable (in shares) | 21,535,748 |  | 21,535,748 |  | 25,384,449 |

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