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LONG-TERM DEBT - (Schedule of Maturities of Long-term Debt) (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Debt Disclosure [Abstract]    
2019 $ 0  
2020 0  
2021 0  
2022 20,000  
2023 0  
Thereafter 25,000  
Total debt maturities 45,000  
Less: deferred financing costs (596) $ (749)
Total debt maturities, net $ 44,404 $ 49,251