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Fair Value of Financial Instruments - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Interest expense $ 234,044 $ 232,077 $ 229,643
Selling, General and Administrative Expenses [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Gain from fair value adjustment 6,100    
Forward Contracts [Member] | Selling, General and Administrative Expenses [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Gain (loss) related to changes in fair values of the forward contracts 500 400 1,000
Interest Rate Cap [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Derivative, notional amount 2,200,000 1,500,000  
Aggregate fair value of outstanding interest rate caps 1,900 3,300  
Interest expense 400 2,700 $ 3,900
Interest rate derivative assets at fair value 1,800    
Other Accrued Expenses [Member] | Interest Rate Cap [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Fair value of outstanding interest rate caps 1,000 1,000  
Prepaid Expenses and Other Current Assets [Member] | Interest Rate Cap [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Fair value of outstanding interest rate caps 1,800    
Other Noncurrent Liabilities [Member] | Interest Rate Cap [Member]      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Fair value of outstanding interest rate caps $ 900 $ 2,300