Long-Lived Asset Impairment (Detail)
hp in Thousands, $ in Thousands
12 Months Ended
Mar. 31, 2015
USD ($)
Dec. 31, 2016
USD ($)
compressor_unit
hp
Dec. 31, 2015
USD ($)
compressor_unit
hp
Dec. 31, 2014
USD ($)
compressor_unit
hp
Long-Lived Asset Impairment        
Long-lived asset impairment   $ 15,146 $ 20,788 $ 3,851
Idle compressor units        
Long-Lived Asset Impairment        
Number of idle compressor units to be retired | compressor_unit   62 93 20
Idle compressor units to be retired (in horsepower) | hp   65 72 18
Asset impairment   $ 12,700 $ 19,400 $ 2,800
Additional impairment       $ 1,100
Other long lived assets        
Long-Lived Asset Impairment        
Long-lived asset impairment   1,700    
Long-term receivable from the sale of Canadian Operations        
Long-Lived Asset Impairment        
Long-lived asset impairment $ 1,400      
Continuing Operations | Plan to exit | Belleli EPC        
Long-Lived Asset Impairment        
Asset impairment   700    
Additional impairment   $ 700