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Indebtedness - Schedule of Maturities of Long-Term Debt (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Debt Disclosure [Abstract]  
Remainder of 2014 $ 6,118
2015 37,179
2016 251,870
2017 355,723
2018 168,341
Thereafter 563,906
Total $ 1,383,137