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Retirement Plans - Narrative (Details) - Deferred Compensation Arrangement with Individual, by Type of Compensation, Pension and Other Postretirement Benefits - Nonqualified Plan - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022
Defined Contribution Plan Disclosure [Line Items] |  |  |  |  |
Deferred compensation plan expense (income) | $ 3,777,000 | $ (12,159,000) | $ 7,923,000 | $ (17,297,000) |
DCP participant deferrals | $ 118,000 | $ 2,439,000 | 1,651,000 | 3,108,000 |
Contributions by employer |  |  | $ 0 | $ 0 |
Class B Common Stock |  |  |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |  |  |
Phantom shares issuable (in shares) | 17,995,119 |  | 17,995,119 |  | 21,587,831

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- Definition Deferred Compensation Arrangement With Individual, Compensation Expense (Income) + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 70 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480794/715-70-50-1 + Details
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