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Property, Plant and Equipment - Summary of Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 1,204,067 $ 1,250,194
Less: Accumulated depreciation (875,635) (833,704)
Total property, plant and equipment, net 328,432 416,490
Land    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 30,724 32,945
Land improvements    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 7,193 8,316
Buildings and improvements    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 116,182 125,088
Rental machinery and equipment    
Property, Plant and Equipment [Line Items]    
Estimated useful life 7 years  
Property, plant and equipment, gross $ 882,979 887,064
Machinery and equipment - other    
Property, Plant and Equipment [Line Items]    
Estimated useful life 7 years  
Property, plant and equipment, gross $ 60,182 61,796
Furniture, fixtures and computers    
Property, Plant and Equipment [Line Items]    
Estimated useful life 5 years  
Property, plant and equipment, gross $ 17,251 24,745
Automobiles and other vehicles    
Property, Plant and Equipment [Line Items]    
Estimated useful life 5 years  
Property, plant and equipment, gross $ 28,734 29,696
Leasehold improvements    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 14,258 15,392
Construction in progress - machinery and equipment and buildings    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 46,564 $ 65,152
Minimum | Land improvements    
Property, Plant and Equipment [Line Items]    
Estimated useful life 8 years  
Minimum | Buildings and improvements    
Property, Plant and Equipment [Line Items]    
Estimated useful life 13 years  
Minimum | Leasehold improvements    
Property, Plant and Equipment [Line Items]    
Estimated useful life 7 years  
Maximum | Land improvements    
Property, Plant and Equipment [Line Items]    
Estimated useful life 15 years  
Maximum | Buildings and improvements    
Property, Plant and Equipment [Line Items]    
Estimated useful life 39 years  
Maximum | Leasehold improvements    
Property, Plant and Equipment [Line Items]    
Estimated useful life 15 years