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Long-Term Debt - Additional Information - Revolvers (Detail) | 12 Months Ended
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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%

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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 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 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- 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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- 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 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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