Time charter revenues - Disclosure of maturity of future undiscounted minimum lease payments to be received (Details) $ in Thousands	Mar. 27, 2024 vessel	Dec. 31, 2023 USD ($)
Property, Plant, and Equipment, Lessor Asset under Operating Lease [Line Items]
2024		$ 19,614
2025		1,920
Total		$ 21,534
Time charter contract converted to fixed rate \| Subsequent event
Property, Plant, and Equipment, Lessor Asset under Operating Lease [Line Items]
Number of vessels \| vessel	3

Amount of lease payments to be received by lessor for operating lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 12
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479773/842-30-50-12

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Amount of lease payment to be received by lessor for operating lease in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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Amount of lease payment to be received by lessor for operating lease in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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-Section 50
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479773/842-30-50-13

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 360
-SubTopic 10
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-Section 50
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482099/360-10-50-1

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The number of units (items of property) under operating lease arrangements.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-SubTopic 30
-Name Accounting Standards Codification
-Section 50
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-URI https://asc.fasb.org//1943274/2147479773/842-30-50-13

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