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.

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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Carriers Volume

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- Definition

The noncurrent portion, due in greater than one year or one operating cycle, if longer, of liabilities resulting from the transfer of a business segment under contractual arrangement.

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- Definition

Number Of Vessels

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

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Term of the lessor's leasing arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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

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An amount representing an agreement for an unconditional promise by the maker to pay the Entity (holder) a definite sum of money at a future date(s) more than one year from the balance sheet date. Such amount may include accrued interest receivable in accordance with the terms of the debt. The debt also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. This amount does not include amounts related to receivables held-for-sale.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.17)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Investments - Teekay LNG - BG International Limited Joint Venture - Additional Information (Detail) $ in Thousands	1 Months Ended	12 Months Ended
	Jun. 30, 2014 USD ($) Vessel m³	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($) Vessel
Net Investment Income [Line Items]
Value of service obligation		$ 118,690	$ 149,998
Equity method investment, ownership interest		17.62%
Newbuildings [Member]
Net Investment Income [Line Items]
Expected cost of project		$ 3,600,000
Teekay LNG [Member] \| Newbuildings [Member] \| Shipbuilding supervision and crew training services [Member]
Net Investment Income [Line Items]
Value of service obligation		$ 29,700	$ 33,700
Teekay LNG [Member] \| BG Joint Venture [Member] \| Newbuildings [Member] \| Shipbuilding supervision and crew training services [Member]
Net Investment Income [Line Items]
Number of vessels \| Vessel	4		4
Volume of vessels \| m³	174,000
Expected cost of project	$ 1,000,000
Operating lease arrangement period, lessor	20 years
Value of service obligation	$ 33,300
Amounts due	16,500		$ 17,100
Teekay LNG [Member] \| BG Joint Venture [Member] \| Newbuildings [Member] \| Shipbuilding supervision and crew training services [Member] \| Fair Value Asset (Liability) [Member]
Net Investment Income [Line Items]
Value of service obligation	38,700
Amounts due	16,500
Teekay LNG [Member] \| BG Joint Venture [Member] \| Newbuildings [Member] \| Shipbuilding supervision and crew training services [Member] \| Principal Amount [Member]
Net Investment Income [Line Items]
Amounts due	$ 20,300		$ 20,300
Teekay LNG [Member] \| BG Joint Venture [Member] \| Newbuildings [Member] \| Shipbuilding supervision and crew training services [Member] \| 30% Ownership [Member]
Net Investment Income [Line Items]
Number of vessels \| Vessel	2
Equity method investment, ownership interest	30.00%
Teekay LNG [Member] \| BG Joint Venture [Member] \| Newbuildings [Member] \| Shipbuilding supervision and crew training services [Member] \| 20% Ownership [Member]
Net Investment Income [Line Items]
Number of vessels \| Vessel	2
Equity method investment, ownership interest	20.00%