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Financial Instruments and Fair Value Disclosures - Charterer (Details) - Customer Concentration Risk - Revenue Benchmark	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cargill International SA
Concentration Risk [Line Items]
Percentage of charter revenues	13.00%	18.00%
Koch Shipping PTE LTD. Singapore
Concentration Risk [Line Items]
Percentage of charter revenues	11.00%	15.00%
Swissmarine Pte. Ltd
Concentration Risk [Line Items]
Percentage of charter revenues		14.00%

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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