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Restructuring (Tables)
3 Months Ended
Mar. 31, 2013
Restructuring [Abstract]  
Restructuring Activity
The following table sets forth the activity in the three months ended March 31, 2013, related to restructuring activities:
 
 
Employee Termination Costs
 
 
Contract Exit Costs
 
 
Total
 
Balance at December 31, 2012
 
$
219
 
 
$
3
 
 
$
222
 
Charges to expense
 
 
133
 
 
 
1,096
 
 
 
1,229
 
Payments
 
 
(151
)
 
 
(87
)
 
 
(238
)
Balance at March 31, 2013
 
$
201
 
 
$
1,012
 
 
$
1,213