Interest Payment Date, Period

No definition available.

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Namespace Prefix:	too_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ 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(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of receivables owed to an entity that is affiliated with the reporting entity by means of direct or indirect ownership, which are usually due after one year (or one business cycle, if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-04(12)(b)(3))
-URI http://asc.fasb.org/extlink&oid=6488278&loc=d3e603758-122996

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

Reference 3: 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(k))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39622-107864

Reference 5: 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(23))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SubordinatedDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CashAndCashEquivalentsAxis=us-gaap_CashMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CashAndCashEquivalentsAxis=us-gaap_CashEquivalentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_AffiliatedEntityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CounterpartyNameAxis=too_TeekayCorporationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Related Party Transactions and Balances - Additional Information - Teekay Promissory Note (Details) - USD ($)		12 Months Ended
	Jul. 01, 2016	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Sep. 25, 2017
Related Party Transaction [Line Items]
Due to affiliates		$ 0	$ 163,037,000
Interest expense		38,695,000	25,882,000	$ 22,400,000
2016 Teekay Corporation Promissory Note
Related Party Transaction [Line Items]
Due to affiliates	$ 200,000,000
Subordinated debt \| 2016 Teekay Corporation Promissory Note
Related Party Transaction [Line Items]
Interest rate, percentage	10.00%
Debt instrument term (in years)	6 months
Subordinated debt \| 2016 Teekay Corporation Promissory Note \| Cash
Related Party Transaction [Line Items]
Interest rate, percentage	5.00%
Subordinated debt \| 2016 Teekay Corporation Promissory Note \| Cash Equivalents
Related Party Transaction [Line Items]
Interest rate, percentage	5.00%
Subordinated debt \| Brookfield Promissory Note
Related Party Transaction [Line Items]
Due to affiliates	$ 200,000,000	168,500,000			$ 200,000,000
Interest rate, percentage					10.00%
Interest expense		$ 10,000,000	5,300,000	0
Affiliated entity \| Teekay Corporation \| 2016 Teekay Corporation Promissory Note
Related Party Transaction [Line Items]
Interest expense			14,600,000	10,000,000
Affiliated entity \| Teekay Corporation \| Subordinated debt \| 2016 Teekay Corporation Promissory Note \| Cash
Related Party Transaction [Line Items]
Interest expense			9,600,000	7,500,000
Affiliated entity \| Teekay Corporation \| Subordinated debt \| 2016 Teekay Corporation Promissory Note \| Cash Equivalents
Related Party Transaction [Line Items]
Interest expense			$ 1,700,000	$ 500,000