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Restructuring Activities (Tables)
 12 Months Ended
Dec. 31, 2015
Restructuring and Related Activities [Abstract]  
Schedule of Restructuring Activities
Our restructuring activities for 2015 and 2014 were as follows (in thousands):
 
 
December 31, 2014
 
2015
 
December 31, 2015
 
 
Balance
 
Charges
 
Cash Payments
 
Change in Estimates
 
Balance
Severance and benefits
 
$
—

 
$
987

 
$
(221
)
 
$
(44
)
 
$
722

Lease termination
 
—

 
1,181

 
—

 
—

 
1,181

Ending balance
 
$
—

 
$
2,168

 
$
(221
)
 
$
(44
)
 
$
1,903