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Commitments and Contingencies - Additional Information - Legal Proceedings and Claims - Teekay Nakilat Capital Lease (Details) $ in Millions | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Nov. 30, 2013 vessel | Dec. 31, 2016 USD ($) vessel agreement | Dec. 22, 2014 USD ($)
Loss Contingencies [Line Items] |  |  |
Number of vessels | vessel | 5 |  |
Teekay Nakilat Corporation [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Security deposit against future claims | $ |  |  | $ 6.8
Teekay LNG [Member] | Teekay Nakilat Corporation [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Share of potential exposure |  | 70.00% |
Number of vessels | vessel |  | 3 |
Teekay LNG [Member] | RasGas II LNG Carriers [Member] | Foreign Tax Authority [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Share of potential exposure |  | 70.00% |
Estimated shares of lease rental increase claim | $ |  | $ 60.0 |
Teekay Nakilat Corporation [Member] | Teekay LNG [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Number of lease agreements | agreement |  | 3 |
Lease term |  | 30 years |

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