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Goodwill and Intangible Assets - Additional Information (Details)	3 Months Ended			9 Months Ended
	Sep. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Goodwill [Line Items]
Goodwill impairment	$ 0	$ 57,100,000	$ 0	$ 57,146,000	$ 0
Potential increase (decrease) on basis spread of discount rate				0.0050
Impact of 50 basis points adverse change in discount rate	4,300,000			$ 4,300,000
Goodwill	42,785,000			42,785,000		$ 99,932,000
Amortization expense for intangible assets	900,000		2,800,000	3,500,000	8,500,000
Intangible asset impairments	0		$ 0	4,708,000	$ 0
Cementing Equipment
Goodwill [Line Items]
Goodwill	24,100,000			24,100,000
Tubular Running Services
Goodwill [Line Items]
Goodwill	$ 18,700,000			$ 18,700,000

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Sensitivity Analysis Of Fair Value, Goodwill, Impairment Loss, Impact Of 50 Basis Points Adverse Change In Discount Rate

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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