Accounts Receivable (Details) - USD ($)	Jun. 30, 2020	Jan. 31, 2020	Jan. 01, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade accounts receivable	$ 413,638,000			$ 323,502,000
Receivable with Imputed Interest, Face Amount	$ 40,000,000
Note Receivable; Interest Rate; Stated percentage	2.50%
Accounts Receivable Greater than 12 Months Reserved [Line Items]	$ 1
Greater than 12 months [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade accounts receivable	$ 4,600,000
Harsco Industrial IKG [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Accounts, Notes, Loans and Financing Receivable [Line Items]
Selling price			$ 85,000,000
Receivable with Imputed Interest, Face Amount		$ 40,000,000.0