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Equity-accounted Investments - Additional Information (Detail) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 USD ($) vessel | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Schedule of Equity Method Investments [Line Items] |  |  |
Income (Loss) from Equity Method Investments | $ 2,767 | $ 3,432 | $ 244
High-Q Joint Venture |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Carrying amount of long-term debt | $ 16,900 | 20,600 |
Teekay Tankers | High-Q Joint Venture |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Percentage of Exposure to Loan Guarantee | 50.00% |  |
Equity method investment, ownership interest | 50.00% |  |
Income (Loss) from Equity Method Investments | $ 2,800 | $ 3,400 | $ 200
Teekay Tankers | High-Q Joint Venture | VLCC |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Number of vessels | vessel | 1 |  |

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-4 + Details
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