Property and Equipment (Detail) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Property Plant And Equipment [Line Items]
Total property and equipment	$ 7,934,557	$ 8,178,346
Less accumulated depreciation, depletion and impairment	(5,645,186)	(5,846,591)
Property and equipment, net	2,289,371	2,331,755
Equipment
Property Plant And Equipment [Line Items]
Total property and equipment	7,490,085	7,742,101
Oil and natural gas properties
Property Plant And Equipment [Line Items]
Total property and equipment	235,925	229,403
Buildings
Property Plant And Equipment [Line Items]
Total property and equipment	183,686	182,280
Land
Property Plant And Equipment [Line Items]
Total property and equipment	$ 24,861	$ 24,562