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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 |

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