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Notes Payable, Other and Short-Term Borrowings - Carrying Amounts and Estimated Fair Values of Company's Senior Notes (Detail) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021 | Jun. 30, 2021 | Jul. 10, 2020 | May 27, 2016
--- | --- | --- | --- | --- | ---
Debt Instrument [Line Items] |  |  |  |  |
Carrying Amount | $ 1,044,580 | $ 1,043,189 |  |  |
Fair Value | $ 1,040,550 | 1,108,452 |  |  |
5.125% senior notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Stated interest rate | 5.125% |  |  |  | 5.125%
5.375% Senior Notes due July 24, 2023 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Stated interest rate | 5.375% |  |  |  |
Carrying Amount | $ 448,577 | 447,911 |  |  |
Fair Value | $ 454,320 | 475,857 |  |  |
3.750% Senior Notes due October 1, 2024 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Stated interest rate | 3.75% |  |  |  |
Carrying Amount | $ 298,146 | 297,731 |  |  |
Fair Value | $ 293,070 | 312,105 |  |  |
4.375% Senior Notes due December 15, 2025 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Stated interest rate | 4.375% |  | 4.375% | 4.375% |
Carrying Amount | $ 297,857 | 297,547 |  |  |
Fair Value | $ 293,160 | $ 320,490 |  |  |

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