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Commitments and Contingencies - Schedule of Future Minimum Rental Revenues (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Commitments And Contingencies Disclosure [Abstract]  
2014 $ 686,316
2015 613,843
2016 528,623
2017 433,311
2018 334,392
Thereafter 1,118,312
Total future minimum rental revenues $ 3,714,797