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Restructuring and Other Charges (Tables)
6 Months Ended
Jun. 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 June 30, 2016
$
675

 
$
432

 
$
1,161

 
$
2,268

Six months ended June 30, 2016
2,916

 
801

 
5,552

 
9,269


(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 six months ended June 30, 2017 and 2016 (in thousands):
 
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2017
 
2016
 
2017
 
2016
Retention and severance benefits
$
366

 
$
2,070

 
$
823

 
$
7,394

Consulting services

 
934

 

 
3,675

Total restructuring and other charges
$
366

 
$
3,004

 
$
823

 
$
11,069

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 six months ended June 30, 2016 and 2017 (in thousands):
 
 
Spin-off
 
Cost
Reduction Plan
 
Total
Beginning balance at January 1, 2016
$
855

 
$

 
$
855

Additions for costs expensed
1,800

 
9,269

 
11,069

Less non-cash expense (1)
(660
)
 

 
(660
)
Reductions for payments
(1,333
)
 
(9,269
)
 
(10,602
)
Ending balance at June 30, 2016
$
662

 
$

 
$
662

 
 
 
 
 
 
Beginning balance at January 1, 2017
$
712

 
$

 
$
712

Additions for costs expensed
823

 

 
823

Less non-cash expense(1)
(589
)
 

 
(589
)
Reductions for payments
(606
)
 

 
(606
)
Ending balance at June 30, 2017
$
340

 
$

 
$
340


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