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Long-Term Debt (5.000% Senior Notes due 2029) - Additional Information (Detail) - USD ($) $ in Thousands |  | 3 Months Ended |
--- | --- | --- | ---
Oct. 14, 2020 | Mar. 31, 2021 | Dec. 31, 2020
Debt Instrument [Line Items] |  |  |
Debt extinguishment costs |  | $ (24,650) |
5.000% Senior Notes due 2029 [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Issued Senior Notes | $ 475,000 |  |
Debt instrument interest rate | 5.00% | 5.00% | 5.00%
Debt instrument maturity date | Apr. 15, 2029 |  |
Interest on the notes | payable semi-annually in arrears on April 15 and October 15 of each year, commencing on April 15, 2021. |  |
Tranche B-3 Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Debt extinguishment charge | $ 453,300 |  |
Debt extinguishment costs | $ 2,900 |  |

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