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Restructuring (Tables)
 3 Months Ended
Mar. 31, 2019
Restructuring and Related Activities [Abstract]  
Restructuring and Related Costs
Restructuring activities for the three months ended March 31, 2019 were as follows (in thousands):
 
Employee Severance
 
Facilities Consolidation
 
Others
 
Total
Restructuring obligations December 31, 2018
$
436

 
$
769

 
$
1,611

 
$
2,816

Charges
14

 
—

 
165

 
179

Cash payments
(450
)
 
(47
)
 
(17
)
 
(514
)
Adoption of ASC 842
—

 
(620
)
 
—

 
(620
)
Restructuring obligations March 31, 2019
$
—

 
$
102

 
$
1,759

 
$
1,861