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Derivative Instruments and Hedging Activities - Commitment of Cross Currency Swaps (Detail) (Cross Currency Interest Rate Contract [Member]) In Thousands, unless otherwise specified |  | 12 Months Ended
--- | --- | ---
Dec. 31, 2013 USD ($) | Dec. 31, 2013 Maturing In October 2015 [Member] USD ($) | Dec. 31, 2013 Maturing In October 2015 [Member] NOK | Dec. 31, 2013 Maturing In January 2016 [Member] USD ($) | Dec. 31, 2013 Maturing In January 2016 [Member] NOK | Dec. 31, 2013 Maturing In January 2017 [Member] USD ($) | Dec. 31, 2013 Maturing In January 2017 [Member] NOK | Dec. 31, 2013 Maturing In May 2017 [Member] USD ($) | Dec. 31, 2013 Maturing In May 2017 [Member] NOK | Dec. 31, 2013 Maturing In 2018 [Member] USD ($) | Dec. 31, 2013 Maturing In 2018 [Member] NOK | Dec. 31, 2013 Maturing In September 2018 [Member] USD ($) | Dec. 31, 2013 Maturing In September 2018 [Member] NOK
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Fair Value / Carrying Amount of R Asset / Liability | $ (52,219) | $ (8,550) |  | $ (8,185) |  | $ (5,503) |  | $ (13,247) |  | $ (11,744) |  | $ (4,990) |
Notional Amount NOK |  | $ 122,800 | 700,000 | $ 89,710 | 500,000 | $ 101,351 | 600,000 | $ 125,000 | 700,000 | $ 143,536 | 800,000 | $ 150,000 | 900,000
Floating Rate Reference Rate |  | NIBOR | NIBOR | NIBOR | NIBOR | NIBOR | NIBOR | NIBOR | NIBOR | NIBOR | NIBOR | NIBOR | NIBOR
Receivable Margin |  | 4.75% | 4.75% | 4.00% | 4.00% | 5.75% | 5.75% | 5.25% | 5.25% | 4.75% | 4.75% | 4.35% | 4.35%
Fixed Rate Payable |  | 5.52% | 5.52% | 4.80% | 4.80% | 7.49% | 7.49% | 6.88% | 6.88% | 5.93% | 5.93% | 6.43% | 6.43%
Remaining Term (years) |  | 1 year 9 months 18 days | 1 year 9 months 18 days | 2 years 1 month 6 days | 2 years 1 month 6 days | 3 years 1 month 6 days | 3 years 1 month 6 days | 3 years 3 months 18 days | 3 years 3 months 18 days | 4 years 1 month 6 days | 4 years 1 month 6 days | 4 years 8 months 12 days | 4 years 8 months 12 days

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition Average remaining period until maturity of the derivative contract, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The reference rate for the variable rate of the interest rate derivative, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR. + References No definition available. + Details
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- Definition Fixed interest rate related to the interest rate derivative. + References No definition available. + Details
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- Details
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- Definition Variable interest rate in effect as of the balance sheet date related to the interest rate derivative. + References No definition available. + Details
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- Definition Fair value as of the balance sheet date of all foreign currency derivatives not designated as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 + Details
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