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		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Intangible Assets, by category
Goodwill impairment	$ 0	$ 0	$ 104,580	$ 0
Harsco Clean Earth Segment
Intangible Assets, by category
Goodwill impairment			104,580
Harsco Environmental Segment
Intangible Assets, by category
Goodwill impairment			0
Harsco Environmental Segment \| Altek Group
Intangible Assets, by category
Intangible assets	$ 29,000		$ 29,000