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LONG-TERM DEBT - Schedule of Principal Repayments on Long-term Debt (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Debt Disclosure [Abstract]    
2022 $ 1,776  
2023 2,085  
2024 9,085  
Thereafter Total 221,511  
Total Debt $ 234,457 $ 227,457