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Business Segments - Capital Expenditures (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Segment Reporting Information [Line Items]
Capital expenditures	$ 49,673	$ 96,919	$ 121,601	$ 215,260
Corporate
Segment Reporting Information [Line Items]
Capital expenditures	373	773	1,304	2,104
Operating Segments | Contract Drilling
Segment Reporting Information [Line Items]
Capital expenditures	42,501	47,664	91,946	123,389
Operating Segments | Pressure Pumping
Segment Reporting Information [Line Items]
Capital expenditures	1,947	38,802	16,227	70,202
Operating Segments | Directional Drilling
Segment Reporting Information [Line Items]
Capital expenditures	2,044	3,450	4,052	5,562
Other Operations
Segment Reporting Information [Line Items]
Capital expenditures	$ 2,808	$ 6,230	$ 8,072	$ 14,003

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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