Acquisitions and Dispositions - Schedule of Income (Loss) from Discontinued Operations Harsco Rail (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income (loss) from discontinued businesses	$ 5,100
Discontinued Operation, Gain (Loss) on Disposal, Statement of Income or Comprehensive Income [Extensible Enumeration]		Income (loss) from discontinued businesses
Discontinued Operations, Held-for-sale | Harsco Rail
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income (loss) from discontinued businesses		$ (30,546)	$ (40,898)	$ (19,967)
Selling, general and administrative expenses		3,573	4,039	178
Services | Discontinued Operations, Held-for-sale | Harsco Rail
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Revenue		52,430	29,331	32,425
Disposal Group, Including Discontinued Operation, Costs of Goods Sold		34,552	19,550	17,272
Product | Discontinued Operations, Held-for-sale | Harsco Rail
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Revenue		244,365	215,585	266,221
Disposal Group, Including Discontinued Operation, Costs of Goods Sold		$ 247,917	$ 223,034	$ 251,897