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Severance and Other Charges (Tables)
 3 Months Ended
Mar. 31, 2017
Restructuring and Related Activities [Abstract]  
Schedule of severance and other charges
Severance and other charges consist of employee severance expense and lease exit costs, and the following summarizes the activity (in thousands):
 
Severance
 
Lease Exit
Costs
 
Total
December 31, 2016
$
718

 
$
1,020

 
$
1,738

Provision
—

 
—

 
—

Payments
(279
)
 
(111
)
 
(390
)
March 31, 2017
$
439

 
$
909

 
$
1,348