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Commitments and Contingencies - Summary of Minimum Future Rentals Receipts under Non-Cancelable Operating Leases (Detail) (USD $)
Dec. 31, 2013
Commitments And Contingencies Disclosure [Abstract]  
2014 $ 12,498,722
2015 12,440,778
2016 12,401,759
2017 10,539,435
2018 10,601,691
2019 and thereafter (cumulative) 70,956,333
Total $ 129,438,718