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Restructuring Charges | 12 Months Ended
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Dec. 31, 2015
Restructuring and Related Activities [Abstract] |
Restructuring Charges | 13. Restructuring Charges As discussed in Note 2 (“Discontinued Operations”), we completed the Spin-off of Exterran Corporation on November 3, 2015. During the year ended December 31, 2015, we incurred $4.1 million of costs associated with the Spin-off which were directly attributable to Archrock and are summarized below. The restructuring charges associated with the Spin-off have not been allocated to the segments because they primarily represent costs incurred within the corporate function. Restructuring charges incurred in 2015 and 2014 in conjunction with completion of the Spin-off or directly associated with the Exterran Corporation business are included in discontinued operations in our consolidated statements of operations. As of December 31, 2015, we had an accrued liability balance of $0.9 million for retention and severance benefits incurred. We expect to incur an additional $2.0 million in both 2016 and 2017 related to retention payments. In the second quarter of 2015 we announced a cost reduction plan primarily focused on workforce reductions. During the year ended December 31, 2015, we incurred $0.6 million of restructuring and other charges as a result of this plan primarily related to termination benefits. These charges are reflected as restructuring and other charges in our consolidated statement of operations. In January 2014, we announced a plan to centralize our make-ready operations to improve the cost and efficiency of our shops and further enhance the competitiveness of our fleet of compressors. As part of this plan, we examined both recent and anticipated changes in the U.S. market, including the throughput demand of our shops and the addition of new equipment to our fleet. To better align our costs and capabilities with the current market, we determined to close several of our make-ready shops. The centralization of our make-ready operations was completed in the second quarter of 2014. The following table summarizes the changes to our accrued liability balance related to restructuring charges for the year ended December 31, 2015 and December 31, 2014 (in thousands):
| Spin-off |  | Cost Reduction Plan |  | Total
Balance at January 1, 2014 | $ | — |  |  | $ | — |  |  | $ | — |
Additions for costs expensed | — |  |  | 5,394 |  |  | 5,394 |
Less: non-cash expense | — |  |  | (4,103 | ) |  | (4,103 | )
Reductions for payments | — |  |  | (1,291 | ) |  | (1,291 | )
Balance at January 1, 2015 | $ | — |  |  | $ | — |  |  | $ | — |
Additions for costs expensed | 4,135 |  |  | 610 |  |  | 4,745 |
Less: non-cash expense | (2,515 | ) |  | $ | — |  |  | (2,515 | )
Reductions for payments | (765 | ) |  | (610 | ) |  | (1,375 | )
Balance at December 31, 2015 | $ | 855 |  |  | $ | — |  |  | $ | 855 |
The following table summarizes the components of charges included in restructuring and other charges in our consolidated statements of operations for the year ended December 31, 2015 and December 31, 2014 (in thousands):
| Year ended December 31, 2015 |  | Year ended December 31, 2014
Retention and severance benefits | $ | 3,135 |  |  | $ | — |
Non-cash inventory write-downs | 1,000 |  |  | 4,103 |
Employee termination benefits | 610 |  |  | 1,291 |
Total restructuring and other charges | $ | 4,745 |  |  | $ | 5,394 |

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- Definition The entire disclosure for restructuring and related activities. Description of restructuring activities such as exit and disposal activities, include facts and circumstances leading to the plan, the expected plan completion date, the major types of costs associated with the plan activities, total expected costs, the accrual balance at the end of the period, and the periods over which the remaining accrual will be settled. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 + Details
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