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Long-Lived Assets Impairment (Tables)
3 Months Ended
Mar. 31, 2019
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 as recorded in our contract operations segment (dollars in thousands):
 
Three Months Ended
March 31,
 
2019
 
2018
Idle compressor units retired from the active fleet
20

 
45

Horsepower of idle compressor units retired from the active fleet
15,000

 
22,000

Impairment recorded on idle compressor units retired from the active fleet
$
3,092

 
$
4,710