Commercial Management Fees Related Party

No definition available.

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- Definition

Pool Management Fees And Commissions Related Party

+ References

No definition available.

+ Details

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Period Type:	duration

- 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

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- Definition

The aggregate direct operating costs incurred during the reporting period.

+ 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 210.5-03.2)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial 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

No definition available.

+ Details

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- Definition

Amount of selling, general and administrative expenses resulting from transactions, excluding transactions that are eliminated in consolidated or combined financial statements, with related party.

+ References

No definition available.

+ Details

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- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 32
-Paragraph 2A
-URI http://asc.fasb.org/extlink&oid=82859839&loc=SL82860478-203043

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130543-203045

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130539-203045

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130545-203045

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Data Type:	xbrli:monetaryItemType
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- Details

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- Details

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- Details

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- Details

Name:	us-gaap_RelatedPartyTransactionAxis=tnk_LNGterminalservicesMember
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- Details

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Related Party Transactions - Summary of Related Party Transactions (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	May 31, 2017	Nov. 30, 2016	Aug. 31, 2014
Related Party Transaction [Line Items]
RSA pool management fees and commissions	$ 0	$ 0	$ 0	$ (2,799)
Commercial management fees	0	0	0	(1,187)
Vessel operating expenses	(52,161)	(40,958)	(157,808)	(131,949)
Strategic and administrative service fees	(7,875)	(6,761)	(25,204)	(13,678)
Revenues	175,915	91,238	516,039	330,512
Teekay LNG Operating L.L.C. \| Bahrain LNG W.I.L.
Related Party Transaction [Line Items]
Ownership percentage						30.00%
Entities Under Common Control
Related Party Transaction [Line Items]
RSA pool management fees and commissions	0	0	0	2,799
Commercial management fees	0	0	0	1,187
Strategic and administrative service fees	0	0	0	(7,026)
Vessel operating expenses - technical management fee
Related Party Transaction [Line Items]
Vessel operating expenses	(2,800)	(2,020)	(8,900)	(6,442)
Secondment fees
Related Party Transaction [Line Items]
Strategic and administrative service fees	(189)	(148)	(548)	(188)
LNG terminal services revenue
Related Party Transaction [Line Items]
Revenues	72	84	344	252
Technical management fee revenues
Related Party Transaction [Line Items]
Revenues	3,490	3,828	9,819	5,048
Technical management fee revenues \| Entities Under Common Control
Related Party Transaction [Line Items]
Revenues	0	0	0	4,890
Service revenues
Related Party Transaction [Line Items]
Revenues	343	1,003	758	1,280
Service revenues \| Entities Under Common Control
Related Party Transaction [Line Items]
Revenues	$ 0	$ 0	$ 0	1,772
Teekay Tanker Operations Limited \| Entities Under Common Control
Related Party Transaction [Line Items]
Revenues				$ 8,600
Percentage of voting interests acquired					50.00%		50.00%