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LONG-TERM DEBT (Narrative) (Details) - Promissory Note [Member] - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Mar. 17, 2015
Debt Instrument [Line Items]    
Debt issuance cost   $ 0.1
Monarch Delaware Holdings LLC [Member]    
Debt Instrument [Line Items]    
Long-term debt   $ 5.0
Interest rate percentage   6.00%
Maturity period of debt Mar. 17, 2021