v3.8.0.1

Investments in and Advances to Equity Accounted Investments - Schedule of Investments in and Advances to Equity Accounted Investments (Detail) $ / shares in Units, $ in Thousands | 1 Months Ended | 12 Months Ended |  |  |  |  |
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Oct. 31, 2014 USD ($) shares | Aug. 31, 2014 USD ($) pool $ / shares shares | May 31, 2014 subsidiary | Jan. 31, 2014 USD ($) shares | Dec. 31, 2016 USD ($) vessel member shares | Dec. 31, 2016 USD ($) vessel NOK / shares | Dec. 31, 2015 USD ($) shares | Dec. 31, 2015 USD ($) NOK / shares | Dec. 31, 2014 USD ($) $ / shares | Oct. 31, 2015 $ / shares | Aug. 31, 2015 $ / shares | Jul. 31, 2015 $ / shares | Jan. 31, 2015 $ / shares | Oct. 31, 2014 NOK / shares
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment in and advances to equity accounted investments |  |  |  |  | $ 70,651 | $ 70,651 | $ 66,470 | $ 66,470 |  |  |  |  |  |
Ownership percentage |  |  |  |  | 100.00% | 100.00% |  |  |  |  |  |  |  |
Long term debt |  |  |  |  | $ 941,661 | $ 941,661 | 1,166,301 | 1,166,301 |  |  |  |  |  |
Derivative assets |  |  |  |  | 4,538 | $ 4,538 | 5,164 | $ 5,164 |  |  |  |  |  |
Shares issued, price per share (in dollars per share) | $ / shares |  | $ 4.03 |  |  |  |  |  |  | $ 4.80 |  | $ 6.65 | $ 6.99 | $ 4.57 |
Business acquisition, assumed working capital |  |  |  |  | $ 0 |  | $ 31,870 |  | $ 0 |  |  |  |  |
Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage |  |  |  |  | 50.00% | 50.00% |  |  |  |  |  |  |  |
Shares issued, price per share (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  | $ 7.92 |  |  |  |
Tanker Investments Ltd [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage |  |  |  |  | 11.30% | 11.30% | 10.20% | 10.20% |  |  |  |  |  |
Number of board members | member |  |  |  |  | 1 |  |  |  |  |  |  |  |  |
Investment in equity accounted investment | $ 10,000 |  |  | $ 25,000 |  |  |  |  |  |  |  |  |  |
Derivative assets |  |  |  |  | $ 300 | $ 300 | $ 5,200 | $ 5,200 |  |  |  |  |  |
Preferred stock, voting rights |  |  |  |  | elect one Board member |  |  |  |  |  |  |  |  |
Business acquisition, common share price per share agreed upon (in Norwegian krone per share) | NOK / shares |  |  |  |  |  |  |  |  |  |  |  |  |  | NOK 69
Shares repurchased (in shares) | shares |  |  |  |  | 3,300,000 |  | 3,300,000 |  |  |  |  |  |  |
Weighted average price of common stock repurchased (in Norwegian krone per share) | NOK / shares |  |  |  |  |  | $ 80.2 |  | $ 105.2 |  |  |  |  |  |
Gross purchase price |  |  |  |  | $ 31,800 |  | $ 40,600 |  |  |  |  |  |  |
Tanker Investments Ltd [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares available through exercise of stock purchase warrant (in shares) | shares |  |  |  | 750,000 |  |  |  |  |  |  |  |  |  |
Tanker Investments Ltd [Member] | Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity number of common stock purchased (in shares) | shares | 900,000 |  |  | 2,500,000 |  |  |  |  |  |  |  |  |  |
Tanker Investments Ltd [Member] | Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity number of common stock purchased (in shares) | shares |  |  |  |  | 1 |  |  |  |  |  |  |  |  |
Teekay Tanker Operations Ltd [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  | 50.00% |  |  |  |  |  |  | 50.00% |  |  |  |  |
Number of Commercially Managed Tanker Pools | pool |  | 4 |  |  |  |  |  |  |  |  |  |  |  |
Net assets acquired |  | $ 23,700 |  |  |  |  |  |  |  |  |  |  |  |
Teekay Tanker Operations Ltd [Member] | Working Capital [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition assets |  | 16,900 |  |  |  |  |  |  |  |  |  |  |  |
Teekay Tanker Operations Ltd [Member] | Teekay Corporation [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from equity method investment |  | $ 6,900 |  |  |  |  |  |  |  |  |  |  |  |
Teekay Tanker Operations Ltd [Member] | Teekay Corporation [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Remaining Ownership Percentage |  | 50.00% |  |  |  |  |  |  |  |  |  |  |  |
Teekay Corporation [Member] | Working Capital [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition assets |  | $ 6,700 |  |  |  |  |  |  |  |  |  |  |  |
Class B [Member] | Teekay Tanker Operations Ltd [Member] | Teekay Corporation [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  | 50.00% |  |  |  |  |  |  |  |  |  |  |  |
Value of common shares |  | $ 15,600 |  |  |  |  |  |  |  |  |  |  |  |
Class B [Member] | Teekay Corporation [Member] | Teekay Tanker Operations Ltd [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued in acquisition | shares |  | 4,220,945 |  |  |  |  |  |  |  |  |  |  |  |
Shares issued, price per share (in dollars per share) | $ / shares |  | $ 4.03 |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Value, New Issues |  | $ 17,000 |  |  |  |  |  |  |  |  |  |  |  |
Class B [Member] | Fair Value Asset/(Liability) [Member] | Teekay Corporation [Member] | Teekay Tanker Operations Ltd [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Value of common shares |  | $ 15,600 |  |  |  |  |  |  |  |  |  |  |  |
Shares issued, price per share (in dollars per share) | $ / shares |  | $ 3.7 |  |  |  |  |  |  |  |  |  |  |  |
High-Q Joint Venture [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment in and advances to equity accounted investments |  |  |  |  | $ 22,025 | $ 22,025 | 21,166 | $ 21,166 |  |  |  |  |  |
Ownership percentage |  |  |  |  | 50.00% | 50.00% |  |  |  |  |  |  |  |
Number of vessels | vessel |  |  |  |  | 1 | 1 |  |  |  |  |  |  |  |
Percentage of exposure to loan guarantee |  |  |  |  | 50.00% | 50.00% |  |  |  |  |  |  |  |
Percentage of exposure to derivative |  |  |  |  | 50.00% | 50.00% |  |  |  |  |  |  |  |
Tanker Investments Ltd [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment in and advances to equity accounted investments |  |  |  |  | $ 47,710 | $ 47,710 | 44,195 | 44,195 |  |  |  |  |  |
Number of vessels | vessel |  |  |  |  | 1 | 1 |  |  |  |  |  |  |  |
Number of subsidiaries | subsidiary |  |  | 2 |  |  |  |  |  |  |  |  |  |  |
Gemini Tankers L.L.C. [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment in and advances to equity accounted investments |  |  |  |  | $ 916 | $ 916 | 1,109 | 1,109 |  |  |  |  |  |
Teekay Tankers And Wah Kwong Joint Venture [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long term debt |  |  |  |  | 48,500 | 48,500 | $ 54,200 | $ 54,200 |  |  |  |  |  |
Teekay Tankers And Wah Kwong Joint Venture [Member] | Joint Venture Interest Rate Derivative [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amount |  |  |  |  | $ 48,500 | $ 48,500 |  |  |  |  |  |  |  |
Type of interest rate paid on swap |  |  |  |  | The interest rate swap exchanges a receipt of floating interest based on 3-months LIBOR for a payment of a fixed rate of 1.47% every three months. |  |  |  |  |  |  |  |  |
Interest rate swaps fixed rate |  |  |  |  | 1.47% | 1.47% |  |  |  |  |  |  |  |

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition When the derivative or group of derivatives presented is a swap, the type of interest rate (fixed, variable, stepped, etc.) paid on the swap. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column A -Footnote 1 + Details
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- Definition Value of equity interests (such as common shares, preferred shares, or partnership interest) issued or issuable to acquire the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(4) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 + Details
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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References 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) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477 + Details
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- Definition Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=84160947&loc=d3e2207-128464 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + 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(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as an asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624163-113959 + Details
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- Definition Amount of distribution received from equity method investee for return on investment, classified as operating activities. Excludes distribution for return of investment, classified as investing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(10)) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 3: 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(12)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 21D -URI http://asc.fasb.org/extlink&oid=98514028&loc=SL94080555-108585 + Details
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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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- Definition The cash outflow to reacquire common and preferred stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 + Details
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