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Stockholders' Equity - Stock Option Activity - Additional Information (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions | 2 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Nov. 15, 2021 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020
Stock Options |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Aggregate intrinsic value price per share (in dollars per share) |  | $ 175.02 |  |
Number of options, Exercised (in shares) |  | 0 |  |
Total intrinsic value of options exercised |  |  | $ 5.1 |
Number of options outstanding (in shares) |  | 6,366 |  | 6,366
Performance Shares |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of options outstanding (in shares) |  | 1,600 |  |
CEO Performance Award | Subsequent Event |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of options, Exercised (in shares) | 900 |  |  |

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