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Stock-based Compensation Plans - Additional Information 4 (Detail) - USD ($) shares in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items] |  |  |
Deferred compensation plan vesting period | 3 years |  |
Deferred compensation plan | $ 73,343,000 | $ 19,811,000 |
Shares held in rabbi trust total | 6.7 |  | 6.2
Vested shares held in rabbi trust | 5.6 |  | 5.4
Post-Retirement Medical Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Estimated prior service cost amortized from accumulated other comprehensive income into general and administrative expense | $ 70,000 | $ 90,000 |

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