Property, Plant and Equipment, net (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Property, Plant and Equipment
Property, plant and equipment, gross	$ 3,435,357	$ 3,407,484
Accumulated depreciation	(1,361,604)	(1,328,385)
Property, plant and equipment, net	2,073,753	2,079,099
Compression equipment, facilities and other fleet assets
Property, Plant and Equipment
Property, plant and equipment, gross	3,184,449	3,147,708
Land and buildings
Property, Plant and Equipment
Property, plant and equipment, gross	49,698	48,964
Transportation and shop equipment
Property, Plant and Equipment
Property, plant and equipment, gross	100,292	102,312
Computer equipment
Property, Plant and Equipment
Property, plant and equipment, gross	89,229	79,019
Other
Property, Plant and Equipment
Property, plant and equipment, gross	$ 11,689	$ 29,481