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Acquisitions and Dispositions - Summary of Key Financial Information From Disposal of Harsco Industrial Segment (Details) (Details) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Jun. 30, 2019
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Business Acquisition [Line Items]        
Income (loss) from discontinued businesses   $ 0 $ 18,281 $ 569,135
Income (loss) from discontinued businesses   (25,863) 20,350 52,937
Loss on early extinguishment of debt   2,668 0 5,314
Air-cooled heat exchangers        
Business Acquisition [Line Items]        
Loss on early extinguishment of debt     (5,300)  
Harsco Industrial | Discontinued Operations, Held-for-sale        
Business Acquisition [Line Items]        
Total revenues   0 10,203 306,972
Cost of products sold   0 8,082 224,811
Income (loss) from discontinued businesses   0 18,281 569,135
Income (loss) from discontinued businesses   (3,510) (1,578) 27,823
Selling, general and administrative expenses   3,510 2,695 8,429
Disposal Group, Including Discontinued Operation, Interest Expense   0 0 11,237
Loss on early extinguishment of debt   0 0 (5,314)
Interest rate swaps | Discontinued Operation, Gain (Loss) From Disposal Of Discontinued Operation [Member]        
Business Acquisition [Line Items]        
Gain (Loss) on Discontinuation of Cash Flow Hedge Due to Forecasted Transaction Probable of Not Occurring, Net $ (2,700) $ 0 $ (2,700) $ (2,741)