Annual report pursuant to Section 13 and 15(d)

LONG-TERM DEBT (Future Maturities of Long-Term Debt) (Details)

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LONG-TERM DEBT (Future Maturities of Long-Term Debt) (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Maturities of Long-term Debt [Abstract]    
2016 $ 42,484  
2017 61,458  
2018 343,116  
2019 19,213  
2020 1,340,533  
Thereafter 273,609  
Total $ 2,080,413 $ 2,089,093