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Depreciation, Depletion, Amortization and Impairment Expense Related to Property and Equipment and Intangible Assets and Liabilities (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Property Plant And Equipment [Abstract]      
Depreciation and impairment expense $ 974,206 $ 887,155 $ 753,510
Amortization expense 17,722 18,197 21,764
Depletion expense 11,945 10,966 8,067
Total $ 1,003,873 $ 916,318 $ 783,341