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, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
|
| Defined Contribution Plan Disclosure [Line Items] | |||||
| DCP participant deferrals | $ 0 | $ 0 | |||
| Contributions by employer | $ 0 | $ 0 | |||
| Defined Contribution Plan, Tax Status [Extensible Enumeration] | Nonqualified Plan [Member] | Nonqualified Plan [Member] | Nonqualified Plan [Member] | Nonqualified Plan [Member] | |
| Deferred compensation plan expense | $ 11,661,000 | $ 7,584,000 | $ 10,587,000 | $ 6,338,000 | |
| Class B Common Stock | |||||
| Defined Contribution Plan Disclosure [Line Items] | |||||
| Shares reserved for issuance (in shares) | 50,000,000 | 50,000,000 | |||
| Shares reserved for future issuance (in shares) | 5,178,038 | 5,178,038 | |||
| Phantom shares issuable (in shares) | 8,149,496 | 8,149,496 | 10,805,223 | ||