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Summary of Significant Accounting Policies - Additional Information (Detail) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Property, Plant and Equipment [Line Items] |  |  |
Vessel operating expenses | $ 806,152,000 | $ 813,326,000 | $ 749,939,000
REVENUES | 1,830,085,000 | 1,980,771,000 | 1,976,022,000
Condition for claiming depreciation vessel's estimated useful life | Commencing the date the vessel is delivered from the shipyard, or a shorter period if regulations prevent the Company from operating the vessels for those periods of time. |  |
Depreciation and amortization | 431,086,000 | 455,898,000 | 428,608,000
Amortization of vessels accounted for as capital leases | 22,800,000 | 30,100,000 | 34,700,000
Interest costs capitalized to vessels and equipment | 14,600,000 | 34,900,000 | 8,100,000
Asset retirement obligation | 27,200,000 | 24,700,000 |
Other non-current assets | 159,494,000 | 149,682,000 |
Crude oil tanker [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, useful life | 25 years |  |
Refined product tanker [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, useful life | 25 years |  |
FPSO [Member] | Minimum [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, useful life | 20 years |  |
FPSO [Member] | Maximum [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, useful life | 25 years |  |
Liquefied Natural Gas [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, useful life | 35 years |  |
Liquefied Petroleum Gas [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, useful life | 30 years |  |
Excluding amortization of Drydocking expenditure [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Depreciation and amortization | 346,500,000 | 364,300,000 | 356,000,000
Dry docking activity [Member] | Minimum [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, useful life | 2 years 6 months |  |
Dry docking activity [Member] | Maximum [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, useful life | 5 years |  |
Asset retirement obligation [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Other non-current assets | 7,500,000 | 6,400,000 |
Technical Management Fee [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Vessel operating expenses | 80,900,000 |  |
REVENUES | 23,200,000 |  |
Prior period reclassification from general and administrative expense [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Vessel operating expenses |  | 83,200,000 | 72,300,000
REVENUES |  | $ 24,500,000 | $ 22,200,000

X
- Definition The expense charged against earnings for the periodic recognition of capitalized leases. This element may apply to energy companies that lease mineral producing properties and to other enterprises that capitalize property, plant, or equipment obtained through capital leases. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6455314&loc=d3e45031-112735 + Details
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- Definition The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Asset Retirement Obligation -URI http://asc.fasb.org/extlink&oid=6505190 + Details
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- Definition Describes the periods of time over which an entity anticipates to receive utility from its property, plant and equipment (that is, the periods of time over which an entity allocates the initial cost of its property, plant and equipment). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18780-107790 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -URI http://asc.fasb.org/subtopic&trid=2155824 + Details
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