Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Summary of Lease Exit Accruals (Detail)

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Commitments and Contingencies - Summary of Lease Exit Accruals (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Commitments And Contingencies Disclosure [Abstract]  
Beginning balance $ 32,983
Lease exit expense 2,915
Payments (8,664)
Ending balance $ 27,234