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Long-Lived Assets Impairment (Tables)
6 Months Ended
Jun. 30, 2017
Asset Impairment Charges [Abstract]  
Details of Impairment of Long-Lived Assets Held and Used by Asset
The following table presents the results of our impairment review for the three and six months ended June 30, 2017 and 2016:
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2017
 
2016
 
2017
 
2016
Idle compressor units retired from the active fleet
60

 
130

 
140

 
210

Horsepower of idle compressor units retired from the active fleet
23,000

 
39,000

 
51,000

 
72,000

Impairment recorded on idle compressor units retired from the active fleet (in thousands)
$
5,508

 
$
10,733

 
$
13,753

 
$
20,593

Additional impairment recorded on available-for-sale compressor units previously culled (in thousands)
$

 
$
3,075

 
$

 
$
3,075