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Discontinued Operations - Changes in Future Remaining Lease Obligations Discontinued Operations (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Discontinued Operations and Disposal Groups [Abstract]        
Balance, Beginning of Period $ 33,441 $ 50,745 $ 39,869 $ 46,755
Charges Incurred [1] (215) 6,100 (701) 13,419
Net Cash Payments (4,214) (6,026) (10,156) (12,790)
Other [2] 576 1,778 576 5,213
Balance, End of Period $ 29,588 $ 52,597 $ 29,588 $ 52,597
[1] Includes charges for newly vacated spaces and subsequent adjustments for accretion, revised estimates and variances between estimated and actual charges, net of any reversals for terminated lease obligations.
[2] Includes existing prepaid rent and deferred rent liability balances for newly vacated spaces that are netted with the losses incurred in the period recorded.