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Fair Value Measurements - Additional Information (Detail) - USD ($) | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 12, 2014 | Sep. 26, 2014
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |
Intangible asset impairment | $ 89,787,000 |  |  |  |
Gain associated with remeasuring of investment in a previously unconsolidated subsidiary to fair value as of date |  | $ 100,420,000 |  |  |
Percentage of remeasuring investment in previously unconsolidated subsidiary |  | 50.00% |  |  |
Remaining controlling interest acquired percentage |  | 50.00% |  |  |
Fair value of investment in unconsolidated subsidiary at acquisition date |  | $ 110,100,000 |  |  |
Notes payable on real estate | $ 13,100,000 | $ 6,300,000 |  |  |
4.875% Senior Notes [Member] |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |
Interest rate of long-term debt | 4.875% | 4.875% |  |  |
5.25% Senior Notes [Member] |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |
Interest rate of long-term debt | 5.25% | 5.25% |  | 5.25% | 5.25%
Estimated Fair Value [Member] |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |
Senior term loans | $ 745,500,000 | $ 757,000,000.0 |  |  |
Estimated Fair Value [Member] | 4.875% Senior Notes [Member] |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |
Senior notes | 670,700,000 | 616,400,000 |  |  |
Estimated Fair Value [Member] | 5.25% Senior Notes [Member] |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |
Senior notes | 478,300,000 | 443,700,000 |  |  |
Actual Carrying Value [Member] |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |
Senior term loans | 744,600,000 | 751,300,000 |  |  |
Actual Carrying Value [Member] | 4.875% Senior Notes [Member] |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |
Senior notes | 593,600,000 | 592,800,000 |  |  |
Actual Carrying Value [Member] | 5.25% Senior Notes [Member] |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |
Senior notes | 423,000,000.0 | 422,700,000 |  |  |
Fair Value Measurements, Non-recurring [Member] |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |
Intangible asset impairment | $ 89,787,000 |  |  |  |
Assets, fair value disclosure, nonrecurring |  |  | $ 0 |  |
Liabilities, fair value disclosure, nonrecurring |  |  | $ 0 |  |
Previously Unconsolidated Subsidiary [Member] |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |
Gain associated with remeasuring of investment in a previously unconsolidated subsidiary to fair value as of date |  | $ 100,400,000 |  |  |

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