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GENERAL INFORMATION (Details) - Common Stock - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Jun. 19, 2018
Dec. 31, 2018
Summary of Significant Accounting Policies    
Issuance of stock (in shares) 7,015,000 7,015,000
Share price (in dollars per share) $ 16.50  
Net proceeds proceeds from issuance of common stock $ 109,648