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Business Segments - Capital Expenditures (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Segment Reporting Information [Line Items]
Capital expenditures	$ 13,442	$ 68,028	$ 135,043	$ 283,288
Corporate
Segment Reporting Information [Line Items]
Capital expenditures	73	700	1,377	2,804
Operating Segments | Contract Drilling
Segment Reporting Information [Line Items]
Capital expenditures	9,502	34,752	101,448	158,141
Operating Segments | Pressure Pumping
Segment Reporting Information [Line Items]
Capital expenditures	1,653	19,826	17,880	90,028
Operating Segments | Directional Drilling
Segment Reporting Information [Line Items]
Capital expenditures	510	5,559	4,562	11,121
Other Operations
Segment Reporting Information [Line Items]
Capital expenditures	$ 1,704	$ 7,191	$ 9,776	$ 21,194

X

- Definition

The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585

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- Definition

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+ References

No definition available.

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