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, 2018
Dec. 31, 2017
Maturities of Long-term Debt [Abstract]    
2019 $ 82,142  
2020 70,728  
2021 123,767  
2022 818,256  
2023 922,284  
Thereafter 892,702  
Total $ 2,909,879 $ 2,337,992