Long-Term Debt - Additional Information - Revolvers (Detail)	12 Months Ended
Dec. 31, 2015 USD ($) CreditFacility
Unsecured Debt [Member]
Debt Instrument [Line Items]
Number of credit facilities \| CreditFacility	1
Minimum [Member]
Debt Instrument [Line Items]
Marginal rate added to LIBOR and NIBOR for interest paid on first tranche under the loan facility	0.30%
Maximum [Member]
Debt Instrument [Line Items]
Marginal rate added to LIBOR and NIBOR for interest paid on first tranche under the loan facility	2.80%
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Number of credit facilities \| CreditFacility	3
Borrowings provided under revolving credit facilities	$ 459,200,000
Undrawn amount of revolving credit facilities	$ 130,000,000
Months required to repay all borrowings	12 months
Debt instrument collateral, description	two revolving credit facilities are collateralized by first-priority mortgages granted on four of the Partnership’s vessels, together with other related security, and include a guarantee from the Partnership or its subsidiaries of all outstanding amounts
Revolving Credit Facility [Member] \| 2016 [Member]
Debt Instrument [Line Items]
Reduction in the total amount available under revolvers	$ 177,300,000
Revolving Credit Facility [Member] \| 2017 [Member]
Debt Instrument [Line Items]
Reduction in the total amount available under revolvers	28,200,000
Revolving Credit Facility [Member] \| 2018 [Member]
Debt Instrument [Line Items]
Reduction in the total amount available under revolvers	$ 253,700,000
Revolving Credit Facility [Member] \| Minimum [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Marginal rate added to LIBOR and NIBOR for interest paid on first tranche under the loan facility	0.55%
Revolving Credit Facility [Member] \| Maximum [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Marginal rate added to LIBOR and NIBOR for interest paid on first tranche under the loan facility	1.10%

Number Of Credit Facilities

No definition available.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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- Definition

Discussion of whether the debt instrument is secured or unsecured, and, if secured, a description of the collateral and guarantees required or provided.

+ 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

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

+ 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

Description of the frequency of the required periodic payments of interest, principal, or both, and the amount, if set, or a description of a formula upon which payment is based.

+ References

+ Details

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Period Type:	duration

- Definition

Amount of increase (decrease) of the credit facility.

+ 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.(f))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

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

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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Namespace Prefix:	us-gaap_
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- Details

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- Details

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- Details

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