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Equity-accounted Investments - Condensed Summary of Company's Investments in and Advances to Joint Ventures (Detail) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
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Schedule of Equity Method Investments [Line Items] |  |
Investment in and loan to equity-accounted investment (note 4) | $ 15,731 | $ 16,198
Teekay Tankers | High-Q Joint Venture |  |
Schedule of Equity Method Investments [Line Items] |  |
Equity method investment, ownership interest | 50.00% |
Investment in and loan to equity-accounted investment (note 4) | $ 15,700 | $ 16,200

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