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Fair Values of Financial Instruments - Additional Information (Detail) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Nov. 15, 2019 | Jan. 19, 2018
3.95% Senior Notes Due 2028 |  |  |  |
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |  |  |  |
Debt interest rate | 3.95% | 5.15% |  | 3.95%
Current market rates used in measuring fair value | 3.87% | 5.24% |  |
5.15% Senior Notes Due 2029 |  |  |  |
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |  |  |  |
Debt interest rate | 5.15% | 5.15% | 5.15% |
Current market rates used in measuring fair value | 4.72% | 6.42% |  |

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