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Operating Leases Future Minimum Rent Payable (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2013
Operating Leased Assets [Line Items]  
2013 (remaining three months) $ 922
2014 3,618
2015 3,443
2016 2,882
2017 629
Thereafter 1,419
Total $ 12,913