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Variable interest entities (Details 3) $ in Millions | Jun. 30, 2023 USD ($)
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Fuel contract |
Variable Interest Entities [Line Items] |
Variable interest entity, reporting entity involvement, maximum loss exposure, amount | $ 28.5

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- Definition The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph b -Publisher FASB -URI https://asc.fasb.org//1943274/2147481203/810-10-50-4 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481203/810-10-50-6 + Details
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