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Fair Value Measurements - Additional Information (Detail) $ in Thousands |  | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Aug. 11, 2014 USD ($) | Aug. 31, 2014 USD ($) MaintenanceAndSafety | Jan. 31, 2014 shares | Jun. 30, 2016 MaintenanceAndSafety | Dec. 31, 2016 USD ($)
Tanker Investments Limited [Member] | Warrant [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 |  |  |  |  | 47.80%
Tanker Investments Limited [Member] | Warrant [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 |  |
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% |  |  |
Aggregate purchase price, cash | $ 4,000 | $ 4,000 |  |  |
Potential additional cash amount for purchase price | $ 27,600 | $ 27,600 |  |  |
Number of units for maintenance and safety | MaintenanceAndSafety |  | 3 |  |  |
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 |  |  |  |  | $ 18
Newbuildings [Member] | Cancellation Potential [Member] | Logitel Offshore Holdings [Member] |  |  |  |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |
Number of units for maintenance and safety | MaintenanceAndSafety |  |  |  | 2 |

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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- Definition Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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