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Subsequent Events - Additional Information - Teekay Tankers (Detail) (Subsequent Events [Member], Teekay Tankers [Member], USD $) In Millions, except Per Share data, unless otherwise specified	0 Months Ended
	Aug. 01, 2014 Pools
Subsequent Event [Line Items]
Commercially managed tanker pools	3
Purchase price consideration	$ 15
Conventional Tanker Commercial Operations and Technical Management Operations [Member]
Subsequent Event [Line Items]
Percentage of ownership acquired	50.00%
Commercial Management Fee [Member]
Subsequent Event [Line Items]
Number of vessels	89
Technical Management Fee [Member]
Subsequent Event [Line Items]
Number of vessels	51
Common Class B [Member]
Subsequent Event [Line Items]
Price per share	$ 3.70

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Number Of Commercially Managed Tanker Pools

+ References

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- Definition

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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=25497992&loc=d3e1392-128463

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- Definition

Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

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- Definition

Value of shares of stock issued during the period as part of a transaction to acquire assets that do not qualify as a business combination.

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