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Present value of lessee's discounted obligation for lease payments from operating lease.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Summary of Significant Accounting Policies - Textual (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2018 USD ($) geographic_region segment	Dec. 31, 2016 USD ($)	Jan. 01, 2019 USD ($)	Jan. 01, 2018 USD ($)	Dec. 31, 2017 USD ($)
Property, Plant and Equipment [Line Items]
Number of reportable segments \| segment	2
AOCI, foreign currency translation adjustment	$ (67,700)				$ (53,200)
Cumulative effect of accounting changes				$ (6,764)
Adjustments to APIC, income tax deficiency from share-based compensation		$ 1,558
Fluids systems [Member]
Property, Plant and Equipment [Line Items]
Number of operating geographic regions \| geographic_region	4
Minimum [Member] \| Composite mats (rental fleet) [Member]
Property, Plant and Equipment [Line Items]
Useful lives	10 years
Maximum [Member] \| Composite mats (rental fleet) [Member]
Property, Plant and Equipment [Line Items]
Useful lives	12 years
Scenario, forecast [Member] \| Accounting Standards Update 2016-02 [Member]
Property, Plant and Equipment [Line Items]
Operating lease, right-of-use asset			$ 30,000
Operating lease, liability			$ 30,000
Retained Earnings [Member]
Property, Plant and Equipment [Line Items]
Cumulative effect of accounting changes				(6,764)
Retained Earnings [Member] \| Accounting Standards Update 2016-16 [Member]
Property, Plant and Equipment [Line Items]
Cumulative effect of accounting changes				(4,500)
Retained Earnings [Member] \| Difference between revenue guidance in effect before and after Topic 606 [Member] \| Accounting Standards Update 2014-09 [Member]
Property, Plant and Equipment [Line Items]
Cumulative effect of accounting changes				$ (2,300)