Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Summary of Future Minimum Annual Lease Payments if Company is Unable to Exit or Sublet Portions (Detail)

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Commitments and Contingencies - Summary of Future Minimum Annual Lease Payments if Company is Unable to Exit or Sublet Portions (Detail) (Unable to exit or sublet portions of leased space [Member], USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Unable to exit or sublet portions of leased space [Member]
 
Operating Leased Assets [Line Items]  
2014 $ 2,246
2015 2,313
2016 2,383
Remainder 2,454
Total $ 9,396