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Fair Value Measurements - Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Detail) - Fair Value, Measurements, Recurring [Member] - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Liabilities:    
Long-term obligations $ 1,816,507 $ 1,557,883
Derivative financial instruments 1,198 2,156
Significant Other Observable Inputs (Level 2) [Member]    
Liabilities:    
Long-term obligations 1,816,507 1,557,883
Derivative financial instruments $ 1,198 $ 2,156