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Long-Term Debt, Net - Firment Shipping Inc. and Convertible Note (Details) $ / shares in Units, $ in Thousands | 2 Months Ended | 4 Months Ended | 11 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Mar. 13, 2019 USD ($) $ / shares | Apr. 23, 2019 USD ($) $ / shares shares | Nov. 30, 2018 USD ($) $ / shares | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($)
Disclosure of detailed information about borrowings [Line Items] |  |  |  |  |  |
Undrawn borrowing facilities |  |  |  | $ 11,100 | $ 12,800 |
Proceeds from borrowings |  |  |  | 43,700 | 15,700 | $ 280
Long-term borrowings, net of current portion |  |  |  | $ 36,551 | $ 1,500 |
Proportion of ownership interests held by the controlling party |  |  |  | 24.00% | 44.30% |
Fair value of derivative financial instruments, net of current portion |  |  |  | $ 0 | $ 831 |
Borrowings |  |  |  | 37,746 | 36,868 |
Loan Balance |  |  |  | 38,487 | 37,163 |
Gain/(Loss) on derivative financial instruments |  |  |  | $ 1,950 | (131) | $ 0
Firment Shipping Inc. |  |  |  |  |  |
Disclosure of detailed information about borrowings [Line Items] |  |  |  |  |  |
Loan Facility, Maximum borrowing capacity |  |  | $ 15,000 |  |  |
Line Of Credit Facility Drawndown Amounts Multiples |  |  | $ 100 |  |  |
Borrowings, maturity |  |  |  | April 1, 2021 |  |
Interest rate |  |  | 7.00% |  |  |
Default Interest Rate |  |  | 2.00% |  |  |
Pricing period multiplied |  |  | 80.00% |  |  |
Conversion price | $ / shares |  | $ 2.8 | $ 2.8 |  |  |
Undrawn borrowing facilities |  |  |  | $ 11,100 | 12,800 |
Proceeds from borrowings |  |  |  | 800 | 2,200 |
Threshold trading days |  |  | 10 |  |  |
Long-term borrowings, net of current portion |  |  |  | 307 | 1,500 |
Fair value of derivative financial instruments, net of current portion |  |  |  | 524 | 831 |
Borrowings |  | $ 3,100 |  |  |  |
Accrued interest |  | $ 70 |  |  |  |
Shares issued during period | shares |  | 1,132,191 |  |  |  |
Gain/(Loss) on derivative financial instruments |  | $ 117 |  | $ 135 | $ 131 |
Weighted average |  |  |  |  |  |
Disclosure of detailed information about borrowings [Line Items] |  |  |  |  |  |
Interest rate |  |  |  | 8.66% | 4.97% |
Minimum | Firment Shipping Inc. |  |  |  |  |  |
Disclosure of detailed information about borrowings [Line Items] |  |  |  |  |  |
Proportion of ownership interests held by the controlling party |  |  |  | 40.00% |  |
Convertible Note |  |  |  |  |  |
Disclosure of detailed information about borrowings [Line Items] |  |  |  |  |  |
Conversion price | $ / shares | $ 0.004 |  |  |  |  |
Debt instruments issued | $ 5,000 |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 10.00% |  |  |  |  |
Line of Credit Facility, Frequency of Payment and Payment Terms | annually |  |  |  |  |
Proceeds from borrowings | $ 5,000 |  |  |  |  |
Long-term borrowings, net of current portion | 1,783 |  |  | $ 1,180 |  |
Fair value of derivative financial instruments, net of current portion | $ 3,217 |  |  | 98 |  |
Borrowings |  |  |  | 1,691,250 |  |
Loan Balance |  |  |  | 3,309 |  |
Accrued interest |  |  |  | 97,311 |  |
Gain/(Loss) on derivative financial instruments |  |  |  | $ 1,815 |  |

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