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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Nominal or face amount used to calculate payment on derivative.

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Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

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Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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The increase (decrease) in stockholders' equity during the period.

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The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.

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Summary of Significant Accounting Policies - Narrative (Details)		3 Months Ended		12 Months Ended
	Jan. 01, 2021 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2021 USD ($) renewal_option	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Mar. 19, 2021 USD ($)	Jan. 30, 2018 USD ($)
Debt Instrument [Line Items]
Impairments of goodwill		$ 406,100,000		$ 0	$ 406,056,000	$ 165,000,000
Impairments of fixed and lease assets				$ 4,166,000	12,447,000	33,697,000
Number of renewal options \| renewal_option				1
Research and development expense				$ 4,400,000	6,100,000	$ 7,000,000
Derivative, notional amount				$ 0	$ 0
Revenue, remaining performance obligation, percentage of obligations, remaining in year two				40.00%
Product warranty period minimum				12 months
Product warranty period maximum				18 months
Maximum amount of potential payment under guarantor obligation				$ 16,100,000
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01
Debt Instrument [Line Items]
Revenue, remaining performance obligation				$ 153,600,000
Revenue, remaining performance obligation, expected timing of satisfaction, period				1 year
Transferred at Point in Time
Debt Instrument [Line Items]
Revenue from contract with customer, percentage of revenue				35.00%	38.00%	34.00%
Transferred over Time
Debt Instrument [Line Items]
Revenue from contract with customer, percentage of revenue				65.00%	62.00%	66.00%
Minimum
Debt Instrument [Line Items]
Operating lease, extension term				1 year
Maximum
Debt Instrument [Line Items]
Operating lease, extension term				20 years
Downhole Technologies
Debt Instrument [Line Items]
Impairments of goodwill			$ 165,000,000		$ 192,502,000
Impairments of fixed and lease assets					3,600,000
Well Site Services
Debt Instrument [Line Items]
Impairments of goodwill					127,054,000
Impairments of fixed and lease assets				$ 4,200,000	8,800,000	$ 33,700,000
4.75% Convertible Senior Notes
Debt Instrument [Line Items]
Principal amount of the liability component				$ 135,000,000
Stated interest rate				4.75%			4.75%
Debt instrument, face amount							$ 135,000,000
4.75% Convertible Senior Notes \| Fair Value, Inputs, Level 2 \| Fair Value
Debt Instrument [Line Items]
Long-term debt, fair value				$ 122,900,000
1.5% Convertible Unsecured Senior Notes
Debt Instrument [Line Items]
Principal amount of the liability component				$ 25,969,000	$ 157,369,000
Stated interest rate				1.50%
Effective interest rate percentage								6.00%
Debt instrument, face amount								$ 200,000,000
1.5% Convertible Unsecured Senior Notes \| Convertible Debt
Debt Instrument [Line Items]
Effective interest rate percentage	2.00%				6.00%
1.5% Convertible Unsecured Senior Notes \| Cumulative Effect, Period of Adoption, Adjustment \| Convertible Debt
Debt Instrument [Line Items]
Debt instrument, increase net	$ 12,200,000
Decrease in deferred income taxes	2,700,000
Net decrease, stockholder's equity	$ 9,500,000
1.5% Convertible Unsecured Senior Notes \| Fair Value, Inputs, Level 2 \| Fair Value
Debt Instrument [Line Items]
Long-term debt, fair value				$ 24,300,000