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Commitments and Contingencies - Additional Information (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2021
Dec. 31, 2020
Loss Contingencies [Line Items]    
Working Capital Surplus (Deficit) $ (352,300)  
Long-term Debt, Current Maturities 355,081 $ 250,508
Teekay Tangguh Joint Venture [Member]    
Loss Contingencies [Line Items]    
Estimated Tax Indemnification $ 5,400 $ 5,700
Teekay Lng [Member] | Teekay Tangguh Joint Venture [Member]    
Loss Contingencies [Line Items]    
Percentage of ownership interest 70.00%