Dispositions - Schedule of Balance Sheet from Disposal of Harsco Rail Segment (Details) (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total Rail liabilities included in Liabilities of assets held-for-sale	$ 168,412	$ 161,999
Discontinued Operations, Held-for-sale | Harsco Rail Segment
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Trade accounts receivable, net	41,546	33,689
Other receivables	4,615	4,740
Inventories	102,094	103,560
Current portion of contract assets	94,360	94,597
Other current assets	26,427	25,442
Property, plant and equipment, net	40,009	39,524
Right-of-use assets, net	2,664	3,108
Goodwill	13,026	13,026
Intangible assets, net	2,990	3,081
Deferred income tax assets	6,153	6,064
Other assets	1,224	6,432
Total Rail assets included in Assets held-for-sale	335,108	333,263
Accounts payable	42,874	46,076
Accrued compensation	3,023	2,171
Current portion of operating lease liabilities	1,456	1,619
Current portion of advances on contracts	53,732	62,401
Other current liabilities	67,327	49,732
Operating lease liabilities	1,474	1,775
Deferred tax liabilities	5,953	5,736
Other liabilities	898	981
Total Rail liabilities included in Liabilities of assets held-for-sale	$ 176,737	$ 170,491