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Business Segments - Depreciation, Depletion, Amortization and Impairment (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Segment Reporting Information [Line Items] |  |  |
Depreciation, depletion, amortization and impairment | $ 849,178 | $ 670,910 | $ 1,003,873
Other Operations |  |  |
Segment Reporting Information [Line Items] |  |  |
Depreciation, depletion, amortization and impairment | 24,865 | 41,511 | 42,803
Contract Drilling | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Depreciation, depletion, amortization and impairment | 618,879 | 433,771 | 668,007
Pressure Pumping | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Depreciation, depletion, amortization and impairment | 159,305 | 152,630 | 233,952
Directional Drilling | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Depreciation, depletion, amortization and impairment | 40,270 | 36,504 | 52,223
Corporate Segment |  |  |
Segment Reporting Information [Line Items] |  |  |
Depreciation, depletion, amortization and impairment | $ 5,859 | $ 6,494 | $ 6,888

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