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.

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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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Business Combination, Contingent Consideration, Percent of Compensation Payable

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No definition available.

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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
-Subparagraph (c)
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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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 23
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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
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-SubTopic 30
-Section 50
-Paragraph 1
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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.4)
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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
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-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
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Investments - Teekay Offshore - ALP Maritime Services B.V. - Additional Information (Detail) $ in Thousands		1 Months Ended	12 Months Ended
	Mar. 14, 2014 USD ($)	Mar. 31, 2014 USD ($) shareholder vessel	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Nov. 30, 2013 vessel
Net Investment Income [Line Items]
Number of vessels \| vessel						5
General and administrative			$ 119,889	$ 133,184	$ 140,917
ALP Maritime Services B.V [Member] \| Contingent Consideration On Operating Results [Member]
Net Investment Income [Line Items]
General and administrative			$ 700
Teekay Offshore [Member] \| ALP Maritime Services B.V [Member]
Net Investment Income [Line Items]
Percentage of ownership acquired		100.00%
Aggregate purchase price, cash	$ 2,616	$ 2,600
General and administrative				$ 700	500
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 \| shareholder		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
Percent of compensation payable		50.00%
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