The amount of outstanding funds that the entity is obligated to repay.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

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Current and long-term debt - 2021 CMBFL lease financing (Details)	1 Months Ended	2 Months Ended
	Mar. 31, 2021	Mar. 31, 2021 USD ($)	Dec. 31, 2023 USD ($)	Jul. 31, 2023	Dec. 31, 2022 USD ($)	Apr. 30, 2021 USD ($) vessel	Mar. 30, 2021 USD ($)
Disclosure of detailed information about borrowings [line items]
Borrowings			$ 1,588,290,000		$ 1,436,224,000
Finance Lease - CMBFL Lease Financing 2021
Disclosure of detailed information about borrowings [line items]
Borrowings, bareboat charter term	7 years
Net debt to capitalization ratio		0.60
Consolidated tangible net worth		$ 1,000,000,000
Cumulative positive net income		25.00%
Net proceeds of equity issuance		50.00%
Minimum ratio for fair value of vessels		120.00%
Borrowings			$ 61,500,000		$ 68,000,000
Finance Lease - CMBFL Lease Financing 2021 \| Consolidated Liquidity Requirement - Scenario One
Disclosure of detailed information about borrowings [line items]
Covenant liquidity requirement amount						$ 25,000,000
Finance Lease - CMBFL Lease Financing 2021 \| Consolidated Liquidity Requirement - Scenario Two
Disclosure of detailed information about borrowings [line items]
Consolidated liquidity requirement per each owned vessel						500,000
Consolidated liquidity requirement per each chartered-in vessel						$ 250,000
Finance Lease - CMBFL Lease Financing 2021 \| Handymax \| Secured Overnight Financing Rate (SOFR)
Disclosure of detailed information about borrowings [line items]
Adjustment to interest rate basis				3.25%
Finance Lease - CMBFL Lease Financing 2021 \| MR \| Secured Overnight Financing Rate (SOFR)
Disclosure of detailed information about borrowings [line items]
Adjustment to interest rate basis				3.20%
STI Comandante, STI Brixton, STI Pimlico and STI Finchley \| Finance Lease - CMBFL Lease Financing 2021 \| Vessels \| Handymax
Disclosure of detailed information about borrowings [line items]
Number of vessels under finance lease arrangements \| vessel						4
Borrowings							$ 58,800,000
STI Westminster \| Finance Lease - CMBFL Lease Financing 2021 \| Vessels \| MR
Disclosure of detailed information about borrowings [line items]
Number of vessels under finance lease arrangements \| vessel						1
Borrowings						$ 20,250,000