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ACCRUED LIABILITIES (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
ACCRUED LIABILITIES [Abstract]    
Accrued Interest $ 1,031 $ 1,437
Accrued Expenses 10,208 6,211
Total as of December 31 $ 11,239 $ 7,648