Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Summary of Operating Lease Exit Accruals (Detail)

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Summary of Significant Accounting Policies - Summary of Operating Lease Exit Accruals (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Accounting Policies [Abstract]  
Beginning balance $ 27,234
Lease exit expense 421
Payments (2,021)
Ending balance $ 25,634