Guarantee fee paid or payable relating to guarantees for debt and other financial instruments

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- Definition

Interest Payment Date, Period

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Number Of Vessels

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

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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.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Amount of receivables due from an entity that is affiliated with the reporting entity by means of direct or indirect ownership, due within 1 year (or 1 business cycle).

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Amount of payable due to an entity that is affiliated with the reporting entity by means of direct or indirect ownership.

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Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense for debt.

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Amount of interest expense incurred on a debt or other obligation to related party.

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- Definition

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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Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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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.

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Related Party Transactions and Balances - Additional Information (Details)	1 Months Ended	3 Months Ended		9 Months Ended		12 Months Ended
	Dec. 31, 2014 USD ($)	Sep. 30, 2017 USD ($) vessel	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($) vessel	Sep. 30, 2016 USD ($)	Dec. 31, 2016 USD ($)	Nov. 30, 2017 vessel	Nov. 30, 2017 tanker	Oct. 31, 2017 vessel	Sep. 25, 2017
Related Party Transaction [Line Items]
Due from affiliates		$ 44,765,000		$ 44,765,000		$ 77,811,000
Due to affiliates		285,500,000		285,500,000		296,600,000
Interest expense		6,946,000	$ 6,927,000	20,840,000	$ 15,409,000
Financial Guarantee
Related Party Transaction [Line Items]
Maximum exposure		$ 495,000,000		$ 495,000,000
Subordinated Promissory Notes \| 2016 Teekay Corporation Promissory Note
Related Party Transaction [Line Items]
Interest rate, percentage		10.00%		10.00%						10.00%
Interest payment date, period				6 months
Interest expense		$ 4,700,000	5,000,000	$ 14,600,000	5,000,000
Subordinated Promissory Notes \| 2016 Teekay Corporation Promissory Note \| Cash
Related Party Transaction [Line Items]
Interest rate, percentage		5.00%		5.00%
Interest expense paid in cash and settled through issuance of common units					9,600,000
Subordinated Promissory Notes \| 2016 Teekay Corporation Promissory Note \| Cash Equivalents
Related Party Transaction [Line Items]
Interest rate, percentage		5.00%		5.00%
Interest expense paid in cash and settled through issuance of common units					1,700,000
Subordinated Promissory Notes \| Brookfield Promissory Note
Related Party Transaction [Line Items]
Interest rate, percentage		10.00%		10.00%
Interest payment date, period				6 months
Interest expense		$ 300,000		$ 300,000
Subordinated Promissory Notes \| Brookfield Promissory Note \| Cash
Related Party Transaction [Line Items]
Interest rate, percentage		5.00%		5.00%
Subordinated Promissory Notes \| Brookfield Promissory Note \| Cash Equivalents
Related Party Transaction [Line Items]
Interest rate, percentage		5.00%		5.00%
Subsequent Event
Related Party Transaction [Line Items]
Number of vessels \| vessel									2
Brookfield
Related Party Transaction [Line Items]
Percentage of noncontrolling interest acquired		59.50%		59.50%
Newbuildings \| Shuttle Tankers
Related Party Transaction [Line Items]
Shipbuilding and supervision costs				$ 3,400,000		2,200,000
Newbuildings \| Shuttle Tankers \| Subsequent Event
Related Party Transaction [Line Items]
Number of vessels							2	2
Teekay Corporation \| Shuttle Tankers
Related Party Transaction [Line Items]
Number of vessels \| vessel		2		2
Teekay Corporation \| FSO Units
Related Party Transaction [Line Items]
Number of vessels \| vessel		3		3
General Partner \| Brookfield
Related Party Transaction [Line Items]
Percentage of noncontrolling interest acquired										49.00%
Randgrid Shuttle Tanker
Related Party Transaction [Line Items]
Shipbuilding and supervision costs				$ 16,900,000		13,800,000
Operating lease arrangement period, lessor				3 years
Petrojarl I FPSO Unit
Related Party Transaction [Line Items]
Shipbuilding and supervision costs				$ 3,700,000		$ 2,800,000
Entity acquired, purchase price	$ 57,000,000
Affiliated Entity
Related Party Transaction [Line Items]
Guarantee fee		$ 1,900,000	$ 1,800,000	$ 5,800,000	$ 1,800,000