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Debt (Schedule of Maturities of Long Term Debt) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Debt Disclosure [Abstract]  
2014 $ 56,726
2015 243,832
2016 312,866
2017 178,681
2018 8,697
Thereafter 291,059
Total $ 1,091,861