Annual report pursuant to Section 13 and 15(d)

LONG-TERM DEBT - Maturities (Details)

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LONG-TERM DEBT - Maturities (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Debt Disclosure [Abstract]    
2019 $ 2,058  
2020 18,317  
2021 0  
2022 144,828  
2023 0  
Years subsequent to 2023 0  
Long-term debt $ 165,203 $ 208,446