Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Goodwill and Other Intangible Assets - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Intangible Assets, by category
Goodwill impairment	$ 104,580	$ 0	$ 104,580	$ 0
Harsco Environmental Segment
Intangible Assets, by category
Goodwill impairment			0
Harsco Environmental Segment \| Altek Group
Intangible Assets, by category
Finite-Lived Intangible Assets, Gross	$ 33,000		33,000
Harsco Clean Earth Segment
Intangible Assets, by category
Goodwill impairment			$ 104,580