Long-Lived Assets Impairment (Tables)

6 Months Ended

Jun. 30, 2018

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 June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
Idle compressor units retired from the active fleet	120		60		165		140
Horsepower of idle compressor units retired from the active fleet	27,000		23,000		50,000		51,000
Impairment recorded on idle compressor units retired from the active fleet	$	6,953	$	5,508	$	11,663	$	13,753