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Restructuring (Tables)
 6 Months Ended
Jun. 30, 2016
Restructuring and Related Activities [Abstract]  
Changes in the Restructuring Accrual
Changes in the restructuring accrual during the three and six months ended June 30, 2016 were as follows (in thousands):
 
 
Severance Costs
 
Other Costs
 
Total
Balance of restructuring accrual, December 31, 2015
$
—

 
$
—

 
$
—

Charges incurred
3,577

 
536

 
4,113

Cash payments made
(3,423
)
 
—

 
(3,423
)
Balance of restructuring accrual, June 30, 2016
$
154

 
$
536

 
$
690