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Background and Significant Accounting Policies (Details 2)
12 Months Ended
Dec. 31, 2014
Compression equipment, facilities and other fleet assets | Minimum  
Property, Plant and Equipment  
Property, plant and equipment useful life 3 years
Compression equipment, facilities and other fleet assets | Maximum  
Property, Plant and Equipment  
Property, plant and equipment useful life 30 years
Building | Minimum  
Property, Plant and Equipment  
Property, plant and equipment useful life 20 years
Building | Maximum  
Property, Plant and Equipment  
Property, plant and equipment useful life 35 years
Transportation, shop equipment and other | Minimum  
Property, Plant and Equipment  
Property, plant and equipment useful life 3 years
Transportation, shop equipment and other | Maximum  
Property, Plant and Equipment  
Property, plant and equipment useful life 12 years