Acquisitions - Schedule of Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2018	Sep. 30, 2018
Goodwill [Line Items]
Beginning Balance		$ 53,799
Reclassification of goodwill to assets held for sale	$ (13,500)	(13,450)
Goodwill translation adjustment		(145)
Ending Balance	$ 244,696	244,696
Layne Christensen Company [Member]
Goodwill [Line Items]
Goodwill acquired		185,228
LiquiForce Services Company [Member]
Goodwill [Line Items]
Goodwill acquired		$ 19,264

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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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of divestiture 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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