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Fair Values of Financial Instruments - Additional Information (Detail) | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2023 | Dec. 31, 2022 | 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% | 3.95% |  | 3.95%
Current market rates used in measuring fair value | 6.75% | 6.69% |  |
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% | 5.15%
Current market rates used in measuring fair value | 7.07% | 7.01% |  |

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