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Business Segments - Capital Expenditures (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Capital expenditures	$ 166,320	$ 145,481	$ 347,512
Other Operations
Segment Reporting Information [Line Items]
Capital expenditures	11,638	12,378	27,132
Contract Drilling | Operating Segments
Segment Reporting Information [Line Items]
Capital expenditures	109,894	105,037	194,416
Pressure Pumping | Operating Segments
Segment Reporting Information [Line Items]
Capital expenditures	34,676	21,678	105,803
Directional Drilling | Operating Segments
Segment Reporting Information [Line Items]
Capital expenditures	8,591	4,681	15,549
Corporate Segment
Segment Reporting Information [Line Items]
Capital expenditures	$ 1,521	$ 1,707	$ 4,612

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=123570139&loc=d3e3213-108585

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- Definition

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+ References

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