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v3.20.1

RELATED PARTY TRANSACTIONS (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Board Member [Member] |  |  |
Related Party [Abstract] |  |  |
Accounts payable | $ 0 | $ 0 | $ 0
Costs and expenses, related party | 300 | 400 | 200
Receivables from related party | 300 | 200 |
Hermitage Offshore Services Limited [Member] |  |  |
Related Party [Abstract] |  |  |
Management fee received | 83 | 100 | 100
Costs and expenses, related party | $ 900 | $ 2,300 | $ 2,300
Hermitage Offshore Services Limited [Member] | Maximum [Member] |  |  |
Related Party [Abstract] |  |  |
Ownership interest | 5.00% |  |

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