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, 2016
Dec. 31, 2015
Debt Disclosure [Abstract]    
2017 $ 2,139  
2018 2,278  
2019 67,247  
2020 18,842  
2021 402  
Years subsequent to 2021 145,468  
Long-term debt $ 236,376 $ 275,194