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, 2017
Dec. 31, 2016
Debt Disclosure [Abstract]    
2018 $ 2,736  
2019 41,443  
2020 18,696  
2021 355  
2022 145,143  
Years subsequent to 2022 73  
Long-term debt $ 208,446 $ 236,376