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Long-Lived Assets Impairment (Tables) | 9 Months Ended
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Sep. 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 of compressor units for the three and nine months ended September 30, 2017 and 2016 (dollars in thousands):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2017 |  | 2016 |  | 2017 |  | 2016
Idle compressor units retired from the active fleet | 50 |  |  | 60 |  |  | 190 |  |  | 270 |
Horsepower of idle compressor units retired from the active fleet | 20,000 |  |  | 25,000 |  |  | 71,000 |  |  | 97,000 |
Impairment recorded on idle compressor units retired from the active fleet | $ | 5,934 |  |  | $ | 9,081 |  |  | $ | 19,686 |  |  | $ | 29,674 |
Additional impairment recorded on available-for-sale compressor units previously culled | $ | — |  |  | $ | 7,632 |  |  | $ | — |  |  | $ | 10,707 |
In addition to the impairment discussed above, during the three and nine months ended September 30, 2017, $0.8 million of leasehold improvements and furniture and fixtures were impaired in conjunction with the relocation of our corporate office during the third quarter. See Note 12 (“Corporate Office Relocation”) for further details.

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- Definition Tabular disclosure for impairment of long-lived assets held and used by an entity which includes a description of the impaired long-lived asset and facts and circumstances leading to the impairment, aggregate amount of the impairment loss and where the loss is located in the income statement, method(s) for determining fair value, and the segment in which the impaired long-lived asset is reported. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84176398&loc=d3e2921-110230 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.CC) -URI http://asc.fasb.org/extlink&oid=27011434&loc=d3e125687-122742 + Details
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