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Financial Instruments - Additional Information (Detail) |  |  | 1 Months Ended | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2015 | Aug. 11, 2014 USD ($) | Jan. 31, 2014 shares | Jun. 30, 2016 USD ($) Vessel | Jun. 30, 2016 USD ($) Vessel | Aug. 31, 2014
Teekay Offshore [Member] | Units for Maintenance and Safety [Member] |  |  |  |  |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |
Number of vessels | Vessel |  |  |  | 2 |  |
Teekay Offshore [Member] | Units for Maintenance and Safety [Member] | Impaired Asset [Member] |  |  |  |  |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |
Number of vessels | Vessel |  |  |  | 2 | 2 |
Teekay Offshore [Member] | Logitel Offshore Holdings [Member] |  |  |  |  |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |
Percentage of ownership acquired |  | 100.00% |  |  |  | 100.00%
Portion of purchase price paid in cash |  | $ 4,000,000 |  |  |  |
Potential additional cash amount for purchase price |  | $ 27,600,000 |  |  |  |
Time-charter Swap [Member] | Teekay Tankers [Member] |  |  |  |  |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |
Estimated average daily tanker rate |  |  |  | $ 21,500 | $ 21,500 |
Warrant [Member] | Tanker Investments Limited [Member] |  |  |  |  |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |
Expected volatility used in computing fair value of stock purchase warrants | 52.40% |  |  |  |  |
Warrant [Member] | Tanker Investments Limited [Member] | Maximum [Member] |  |  |  |  |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |
Number of shares available through exercise of stock purchase warrant | shares |  |  | 1,500,000.0 |  |  |

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