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Commitments and Contingencies - Additional Information - Legal Proceedings and Claims - Cancellation of two UMS newbuilding contracts (Details) | 1 Months Ended | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Sep. 30, 2016 USD ($) hull | Aug. 31, 2014 MaintenanceAndSafety | Jun. 30, 2016 USD ($) | Nov. 30, 2013 vessel | Dec. 31, 2016 USD ($) | Aug. 11, 2014
Loss Contingencies [Line Items] |  |  |  |  |  |
Number of vessels | vessel |  |  |  | 5 |  |
Logitel Offshore Holdings [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Estimated claim | $ 2,800,000 |  |  |  |  |
Teekay Offshore [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Loss contingency accrual |  |  |  |  | $ 61,900,000 |
Teekay Offshore [Member] | Logitel Offshore Holdings [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Percentage of ownership acquired |  | 100.00% |  |  |  | 100.00%
Number of units for maintenance and safety | MaintenanceAndSafety |  | 3 |  |  |  |
Units for Maintenance and Safety [Member] | Teekay Offshore [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Write down on sale of vessels |  |  | $ 43,700,000 |  |  |
Reversal of contingent liabilities |  |  | 14,500,000 |  |  |
Stavanger Spirit [Member] | Teekay Offshore [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Potential damage, maximum |  |  | 170,000,000 |  |  |
Nantong Spirit [Member] | Teekay Offshore [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Potential damage, maximum |  |  | 40,000,000 |  |  |
Potential damage, minimum |  |  | $ 10,000,000 |  |  |
Sevan Marine ASA [Member] | Teekay Offshore [Member] | Logitel Offshore Holdings [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Number of hulls | hull | 2 |  |  |  |  |
Debt instrument, principal amount | $ 60,000,000 |  |  |  |  |
Estimated claim | 50,000,000 |  |  |  | $ 10,000,000 |
CeFront Technology AS [Member] | Teekay Offshore [Member] | Logitel Offshore Holdings [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Portion not accrued | 3,600,000 |  |  |  |  |
Vendor Credit Loan [Member] | Sevan Marine ASA [Member] | Teekay Offshore [Member] | Logitel Offshore Holdings [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Debt instrument, principal amount | 41,000,000 |  |  |  |  |
Cash Loan [Member] | Sevan Marine ASA [Member] | Teekay Offshore [Member] | Logitel Offshore Holdings [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Debt instrument, principal amount | 19,000,000 |  |  |  |  |
Nantong Spirit [Member] | CeFront Technology AS [Member] | Teekay Offshore [Member] | Logitel Offshore Holdings [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Estimated claim | 20,200,000 |  |  |  |  |
Arendal Spirit Ums [Member] | CeFront Technology AS [Member] | Teekay Offshore [Member] | Logitel Offshore Holdings [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Estimated claim | $ 3,300,000 |  |  |  |  |

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