Quarterly report pursuant to sections 13 or 15(d)

Commitments and Contingencies - Summary of Future Minimum Lease Payments and Rentals under Lease Agreements (Detail)

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Commitments and Contingencies - Summary of Future Minimum Lease Payments and Rentals under Lease Agreements (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2013
Minimum Lease Commitments
 
Commitments And Contingencies [Line Items]  
Remainder of 2013 $ 919
2014 3,675
2015 3,632
2016 3,590
2017 2,780
Total 14,596
Non-cancellable Subleases
 
Commitments And Contingencies [Line Items]  
Remainder of 2013 (148)
2014 (394)
2015 (408)
2016 (408)
2017 (313)
Total (1,671)
Minimum Net Rentals
 
Commitments And Contingencies [Line Items]  
Remainder of 2013 771
2014 3,281
2015 3,224
2016 3,182
2017 2,467
Total $ 12,925