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RISKS ASSOCIATED WITH TORM'S ACTIVITIES - Changes in freight rates (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Decrease in freight rates of USD/day 1,000: |  |  |
Changes in profit/loss before tax for the following year |  | $ (25.3) | $ (24.1)
Changes in equity for the following year |  | $ (25.3) | $ (24.1)
Sensitivity to changes |  |  |
Decrease in freight rates of USD/day 1,000: |  |  |
Changes in profit/loss before tax for the following year | $ (25.4) |  |
Changes in equity for the following year | $ (25.4) |  |

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- Definition Represents the amount related to increase (decrease) in equity in sensitivity analysis for changes in freight rates. + References No definition available. + Details
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- References No definition available. + Details
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Namespace Prefix: | trmd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |