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INVESTMENT SECURITIES (Details) - Hermitage Offshore Services Limited [Member] - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019
Equity Method Investment [Abstract] |  |
Number of shares held (in shares) |  | 811,538
Carrying value of investment |  | $ 0.8
Number of shares disposed (in shares) | 811,538 |
Consideration for shares disposed | $ 0.6 |
Recognized gain (loss) in Other Financial Income (Expenses) | $ (0.2) |

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