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Property, Plant and Equipment, Net (Details) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Property, Plant and Equipment    
Property, plant and equipment, gross $ 3,696,914 $ 3,578,352
Accumulated depreciation (1,431,031) (1,407,314)
Property, plant and equipment, net 2,265,883 2,171,038
Compression equipment, facilities and other fleet assets    
Property, Plant and Equipment    
Property, plant and equipment, gross 3,438,832 3,323,465
Land and buildings    
Property, Plant and Equipment    
Property, plant and equipment, gross 46,476 47,067
Transportation and shop equipment    
Property, Plant and Equipment    
Property, plant and equipment, gross 107,408 103,766
Computer hardware and software    
Property, Plant and Equipment    
Property, plant and equipment, gross 92,409 92,174
Other    
Property, Plant and Equipment    
Property, plant and equipment, gross $ 11,789 $ 11,880