Number of persons employed by the Entity

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- Definition

Line items represent reporting 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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 12
-Sentence Column A

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- Definition

Number Of Vessels

+ References

No definition available.

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 23
-URI http://asc.fasb.org/extlink&oid=34752592&loc=d3e1043-128460

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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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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 30
-Section 50
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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.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 30
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- Definition

The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.4)
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- Definition

The minimum amount the entity agreed to spend under the long-term purchase commitment.

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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.

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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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Investments - Teekay Offshore - ALP Maritime Services B.V. - Additional Information (Detail) $ in Thousands		1 Months Ended	3 Months Ended	12 Months Ended
	Mar. 14, 2014 USD ($) Stockholders Vessel	Mar. 31, 2014 USD ($)	Mar. 31, 2014 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Newbuildings [Member]
Net Investment Income [Line Items]
Expected cost of project				$ 3,600,000
ALP Maritime Services B.V [Member] \| Contingent Consideration On Operating Results [Member]
Net Investment Income [Line Items]
General and administrative				$ 700	$ 500
Teekay Offshore [Member] \| ALP Maritime Services B.V [Member]
Net Investment Income [Line Items]
Percentage of ownership acquired	100.00%	100.00%	100.00%
Expected cost of project		$ 232,000
Purchase price paid in cash	$ 2,616
Business Combination, Contingent Consideration Arrangements, Description				Teekay Offshore has the option to pay up to 50% of this compensation through the issuance of common units of Teekay Offshore. Each of the contingent compensation amounts are payable only if the three former shareholders are employed by ALP at the time the performance conditions are met.
Acquisition and business development fee			$ 1,000
Teekay Offshore [Member] \| ALP Maritime Services B.V [Member] \| Shareholders of ALP [Member]
Net Investment Income [Line Items]
Number of shareholders \| Stockholders	3
Teekay Offshore [Member] \| ALP Maritime Services B.V [Member] \| Delivered [Member] \| Shareholders of ALP [Member]
Net Investment Income [Line Items]
Contingent consideration payable	$ 2,400
Teekay Offshore [Member] \| ALP Maritime Services B.V [Member] \| Contingent Consideration On Operating Results [Member] \| Shareholders of ALP [Member]
Net Investment Income [Line Items]
Contingent consideration payable	$ 2,600
Teekay Offshore [Member] \| ALP Maritime Services B.V [Member] \| Newbuildings [Member] \| Long Distance Towing and Offshore Installation [Member]
Net Investment Income [Line Items]
Number of vessels \| Vessel	4