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Fair Value of Financial Instruments and Derivative Instruments Derivative Instruments (Details) - tonne | 1 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Bunker fuel, annual tonnes | 12,000 |
Bunker fuel, monthly tonnes | 1,000 |
Minimum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Bunker fuel, sulphur content |  | 0.50%
Maximum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Bunker fuel, sulphur content |  | 3.50%

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- Definition Bunker Fuel, Annual Tonnes + References No definition available. + Details
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- Definition Bunker Fuel, Monthly Tonnes + References No definition available. + Details
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- Definition Bunker Fuel, Sulphur Content + References No definition available. + Details
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