Accounts Receivable and Note Receivable (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Jan. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade accounts receivable	$ 385,143,000	$ 362,801,000
Accounts Receivable Greater than 12 Months Reserved	5,400,000
Receivable with Imputed Interest, Face Amount			$ 40,000,000
Note Receivable; Interest Rate; Stated percentage			2.50%
Receivables, Fair Value Disclosure	32,300,000		$ 34,300,000
Proceeds from Collection of Notes Receivable	6,400,000
Receivable with Imputed Interest, Net Amount	31,025,000	$ 35,806,000
Greater than 12 months
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade accounts receivable	$ 8,000,000
Harsco Industrial IKG | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Accounts, Notes, Loans and Financing Receivable [Line Items]
Disposal Group, Including Discontinued Operation, Consideration			85,000,000
Receivable with Imputed Interest, Face Amount			$ 40,000,000