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RESTRUCTURING COSTS AND ACCRUALS (Tables)
 6 Months Ended
Jun. 30, 2018
Restructuring Cost and Reserve [Line Items]  
Schedule of Restructuring and Related Costs
The following table sets forth restructuring expenses recognized for the three and six months ended June 30, 2018 and 2017 (in thousands):
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2018
 
2017
 
2018
 
2017
Employee
$
687

 
$
1,686

 
$
855

 
$
2,362

Facility
(1,619
)
 
2,373

 
1,072

 
2,629

Total facility and employee charges
(932
)
 
4,059

 
1,927

 
4,991

Other
1,200

 
2,004

 
1,248

 
2,055

Total restructuring charges, net
$
268

 
$
6,063

 
$
3,175

 
$
7,046

The following table sets forth the activity in the restructuring accruals for the six months ended June 30, 2018 (in thousands):
 
Employee
 
Facility
 
Total
Accrual balance as of December 31, 2017
$
1,998

 
$
2,479

 
$
4,477

Restructuring charges and revisions
855

 
1,072

 
1,927

Accretion
—

 
96

 
96

Cash payments
(1,766
)
 
(1,723
)
 
(3,489
)
Foreign exchange impact on ending balance
3

 
1

 
4

Accrual balance as of June 30, 2018
$
1,090

 
$
1,925

 
$
3,015

Less: current portion
1,090

 
1,478

 
2,568

Long-term accrual balance as of June 30, 2018
$
—

 
$
447

 
$
447