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Benefit Plans - Additional Information (Details) - USD ($) | Feb. 26, 2020 | Sep. 30, 2021 | Jul. 01, 2021 | Dec. 31, 2020
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Deferred Compensation Arrangement With Individual Share Based Payments [Line Items] |  |  |  |
Long-term portion of the pension liability |  | $ 34,600,000 |  | $ 33,200,000
George C. Zoley | Amended and Restated Executive Retirement Agreement |  |  |  |
Deferred Compensation Arrangement With Individual Share Based Payments [Line Items] |  |  |  |
Deferred compensation arrangement with individual, cash payment |  |  | $ 3,600,000 |
Deferred compensation arrangement with individual reclassification from equity to other non-current liabilities |  |  | $ 3,600,000 |
Common Stock |  |  |  |
Deferred Compensation Arrangement With Individual Share Based Payments [Line Items] |  |  |  |
Deferred compensation arrangement with individual, value of shares issued | $ 8,925,065 |  |  |
Deferred compensation arrangement with individual, shares issued | 553,665 |  |  |

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