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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
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