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Indebtedness - Schedule of Maturities of Long-term Debt (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2013
Debt Disclosure [Abstract]  
Remainder of 2013 $ 7,023
2014 243,574
2015 38,301
2016 295,309
2017 169,153
Thereafter 532,621
Total $ 1,285,981