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Commitments and Contingencies - Additional Information - Legal Proceedings and Claims - Teekay Nakilat Capital Lease (Details)
$ in Millions
6 Months Ended
Jun. 30, 2017
USD ($)
vessel
agreement
Dec. 22, 2014
USD ($)
Teekay LNG | Teekay Nakilat Corporation    
Loss Contingencies [Line Items]    
Number of vessels | vessel 3  
Security deposit against future claims   $ 6.8
Teekay LNG | RasGas II LNG Carriers | Foreign Tax Authority    
Loss Contingencies [Line Items]    
Share of potential exposure 70.00%  
Teekay Nakilat Joint Venture | Foreign Tax Authority    
Loss Contingencies [Line Items]    
Estimated shares of lease rental increase claim $ 42.0  
Teekay Nakilat Corporation | Teekay LNG    
Loss Contingencies [Line Items]    
Number of lease agreements | agreement 3  
Lease term 30 years  
Teekay Nakilat Joint Venture | Teekay LNG | Teekay Nakilat Corporation    
Loss Contingencies [Line Items]    
Share of potential exposure 70.00%