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Restructuring and Other Charges (Tables)
9 Months Ended
Sep. 30, 2017
Restructuring and Related Activities [Abstract]  
Schedule of components of charges included in restructuring and other charges
The following table presents the expense incurred under this plan by reportable segment (in thousands):

 
Contract
Operations
 
Aftermarket
Services
 
Other (1)
 
Total
Three months ended September 30, 2016
$
508

 
$
312

 
$
3,210

 
$
4,030

Nine months ended September 30, 2016
3,424

 
1,113

 
8,762

 
13,299


(1) 
Represents expenses incurred under this plan that are not directly attributable to our reportable segments because it represents severance benefits and consulting fees incurred within the corporate function.
The following table summarizes the components of charges included in restructuring and other charges in our condensed consolidated statements of operations for the three and nine months ended September 30, 2017 and 2016 (in thousands):
 
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
 
2017
 
2016
 
2017
 
2016
Retention and severance benefits
$
422

 
$
4,297

 
$
1,245

 
$
11,692

Consulting services

 
392

 

 
4,066

Total restructuring and other charges
$
422

 
$
4,689

 
$
1,245

 
$
15,758

Summary of changes to accrued liability balance related to restructuring and other charges
The following table summarizes the changes to our accrued liability balance related to restructuring and other charges for the nine months ended September 30, 2016 and 2017 (in thousands):
 
 
Spin-off
 
Cost
Reduction Plan
 
Total
Beginning balance at January 1, 2016
$
855

 
$

 
$
855

Additions for costs expensed
2,459

 
13,299

 
15,758

Less non-cash expense (1)
(1,492
)
 

 
(1,492
)
Reductions for payments
(1,106
)
 
(13,235
)
 
(14,341
)
Ending balance at September 30, 2016
$
716

 
$
64

 
$
780

 
 
 
 
 
 
Beginning balance at January 1, 2017
$
712

 
$

 
$
712

Additions for costs expensed
1,245

 

 
1,245

Less non-cash expense(1)
(895
)
 

 
(895
)
Reductions for payments
(606
)
 

 
(606
)
Ending balance at September 30, 2017
$
456

 
$

 
$
456


 
(1) 
Represents non-cash retention benefits associated with the Spin-off to be settled in Archrock stock.