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Investments - Teekay LNG-Yamal LNG Joint Venture - Additional Information (Detail) $ in Thousands | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jul. 31, 2014 vessel | Nov. 30, 2013 vessel | Dec. 31, 2016 USD ($) vessel | Dec. 31, 2015 USD ($)
Net Investment Income [Line Items] |  |  |  |
Equity method investment, ownership interest |  |  | 100.00% | 17.62%
Number of vessels | vessel |  | 5 |  |
Advances to equity accounted joint venture partner |  |  | $ 1,299,854 | $ 1,083,590
Teekay LNG [Member] | Yamal LNG Joint Venture [Member] |  |  |  |
Net Investment Income [Line Items] |  |  |  |
Equity method investment, ownership interest | 50.00% |  |  |
Advances to equity accounted joint venture partner |  |  | 146,700 | 96,900
Investments in and advances to affiliates |  |  | $ 9,400 | $ 4,800
Teekay LNG [Member] | Yamal LNG Joint Venture [Member] | Newbuildings [Member] |  |  |  |
Net Investment Income [Line Items] |  |  |  |
Equity method investment, ownership interest |  |  | 50.00% |
Number of vessels | vessel | 6 |  | 6 |
Teekay LNG [Member] | Yamal LNG Joint Venture [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |  |  |
Net Investment Income [Line Items] |  |  |  |
Debt instrument spread on variable rate |  |  | 3.00% |

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- Definition Total investments in (A) an entity in which the entity has significant influence, but does not have control, (B) subsidiaries that are not required to be consolidated and are accounted for using the equity and or cost method, and (C) an entity in which the reporting entity shares control of the entity with another party or group. Includes long-term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership. + References 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 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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