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Supplemental Cash Flow Information - Supplemental Cash Flow Information (Detail) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
 [1]
Net cash provided from operating activities included:      
Income taxes refunded from taxing authorities $ 1,789 $ 0  
Interest paid (50,832) (54,632)  
Non-cash investing and financing activities included:      
Increase in asset retirement costs capitalized 1,250 [1] 1,532 $ 11,193
(Decrease) increase in accrued capital expenditures $ (8,645) $ 22,764  
[1] Includes costs incurred whether capitalized or expensed.