Equity Financing Transactions - Summary of Proceeds Received from Financial Transactions (Detail) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2015	Jun. 30, 2014
Subsidiary, Sale of Stock [Line Items]
Net Proceeds Received	$ 187,576	$ 7,475
Teekay Offshore [Member] \| Preferred Units Offering [Member]
Subsidiary, Sale of Stock [Line Items]
Total Proceeds Received	125,000
Offering Expenses	(4,187)
Net Proceeds Received	120,813
Teekay LNG [Member] \| Continuous Offering Program [Member]
Subsidiary, Sale of Stock [Line Items]
Total Proceeds Received	16,568
Less: Teekay Corporation Portion	(331)
Offering Expenses	(402)
Net Proceeds Received	15,835
Teekay Tankers [Member] \| Continuous Offering Program [Member]
Subsidiary, Sale of Stock [Line Items]
Total Proceeds Received	38,122
Offering Expenses	(859)
Net Proceeds Received	37,263
Teekay Tankers [Member] \| Public Offering [Member]
Subsidiary, Sale of Stock [Line Items]
Total Proceeds Received	13,716
Offering Expenses	(51)
Net Proceeds Received	$ 13,665

Proceeds from issuance of equity portion attributable to parent.

No definition available.

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- Definition

Costs incurred in connection with the offering and selling of additional partner interest.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 946

-SubTopic 10

-Section S99

-Paragraph 4

-Subparagraph (SAB TOPIC 5.D.Q1)

-URI http://asc.fasb.org/extlink&oid=6488002&loc=d3e600348-122990

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section D

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- Definition

Cash received on stock transaction after deduction of issuance costs.

+ References

No definition available.

+ Details

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- Definition

Amount of consideration received by subsidiary or equity investee in exchange for shares of stock issued or sold. Includes amount of cash received, fair value of noncash assets received, and fair value of liabilities assumed by the investor.

+ References

No definition available.

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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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