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Restructuring Charges (Tables)
 3 Months Ended
Mar. 31, 2018
Restructuring Charges [Abstract]  
Schedule of Restructuring and Related Costs
The following tables present aggregate activity within the accrual for restructuring charges for the three months ended March 31, 2018 and 2017:
(in thousands)
Severance Charges
 
Lease Termination Charges
 
Total
Balance at December 31, 2017
$
336

 
$
3,276

 
$
3,612

Accruals for lease terminations
—

 
(377
)
 
(377
)
Payments
(336
)
 
(393
)
 
(729
)
Balance at March 31, 2018
$
—

 
$
2,506

 
$
2,506

 
 
 
 
 
 

(in thousands)
Severance Charges
 
Lease Termination Charges
 
Total
Balance at December 31, 2016
$
81

 
$
3,968

 
$
4,049

Accrual for voluntary and involuntary termination benefits
6,453

 
—

 
6,453

Payments
(219
)
 
(279
)
 
(498
)
Balance at March 31, 2017
$
6,315

 
$
3,689

 
$
10,004

 
 
 
 
 
 
For the three months ended March 31, 2018 and 2017, total restructuring charges consist of the following components:
 
Three Months Ended March 31,
(in thousands)
2018
 
2017
Severance charges
$
—

 
$
6,453

Other charges, net
(315
)
 
58

Total restructuring charges, net
$
(315
)
 
$
6,511