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Lease Exit Liability (Tables)
9 Months Ended
Sep. 30, 2016
Lease Exit Liability [Abstract]  
Changes in Lease Exit Liability
Changes in the lease exit liability are as follows (in thousands):

Accrual balance at December 31, 2015
 
$
4,713
 
Principal payments and other adjustments (net of sublease receipts)
  
(2,473
)
Accrual balance at September 30, 2016
 
$
2,240