Number of shares available through exercise of stock purchase warrants.

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- Definition

Number of units for maintenance and safety.

+ References

No definition available.

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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)

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- Definition

For contingent consideration arrangements recognized in connection with a business combination, this element represents a description of such arrangements.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (c)(2)

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- Definition

For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (c)(3)

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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 (e)

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Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

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- Definition

Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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-Publisher FASB

-Name Accounting Standards Codification

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

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Financial Instruments - Additional Information (Detail) $ in Millions			1 Months Ended	6 Months Ended
	Jun. 30, 2015 USD ($)	Aug. 11, 2014 USD ($) MaintenanceAndSafety	Jan. 31, 2014 shares	Jun. 30, 2015 USD ($)
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Discount rate				8.00%
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		3
Newbuildings [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		1
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	53.30%
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%
Portion of purchase price paid in cash \| $		$ 4.0
Potential additional cash amount for purchase price \| $		$ 27.6
Business Combination, Contingent Consideration Arrangements, Description				If there are no yard cost overruns and no charterer late delivery penalties; the two unchartered UMS under construction are chartered above specified rates; and no material defects from construction are identified within one year after the delivery of each UMS. To the extent such events occur, the potential additional amount of $27.6 million will be reduced in accordance with the terms of the purchase agreement.
Estimated fair value of contingent consideration liability \| $	$ 15.3			$ 15.3
Discount rate				11.50%
Teekay Offshore [Member] \| Newbuildings [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		2