Quarterly report pursuant to Section 13 or 15(d)

Net Loss per Common Unit - Schedule of Net Loss per Unit and Allocation of Distribution (Details)

v2.4.1.9
Net Loss per Common Unit - Schedule of Net Loss per Unit and Allocation of Distribution (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]    
Net loss $ (178,676)us-gaap_NetIncomeLoss $ (69,733)us-gaap_NetIncomeLoss
Declared distributions 24,754us-gaap_DistributionMadeToLimitedPartnerCashDistributionsDeclared 24,754us-gaap_DistributionMadeToLimitedPartnerCashDistributionsDeclared
Assumed allocation of undistributed net loss (203,430)us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic (94,487)us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic
Weighted average units outstanding 57,080us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted 57,079us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted
Net loss per unit $ (0.61)us-gaap_EarningsPerShareBasicAndDiluted $ (0.06)us-gaap_EarningsPerShareBasicAndDiluted
Common Units [Member]    
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]    
Net loss (51,931)us-gaap_NetIncomeLoss
/ us-gaap_CapitalUnitsByClassAxis
= lng_CommonUnitsMember
 
Declared distributions 24,259us-gaap_DistributionMadeToLimitedPartnerCashDistributionsDeclared
/ us-gaap_CapitalUnitsByClassAxis
= lng_CommonUnitsMember
24,259us-gaap_DistributionMadeToLimitedPartnerCashDistributionsDeclared
/ us-gaap_CapitalUnitsByClassAxis
= lng_CommonUnitsMember
Assumed allocation of undistributed net loss (59,125)us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic
/ us-gaap_CapitalUnitsByClassAxis
= lng_CommonUnitsMember
(27,462)us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic
/ us-gaap_CapitalUnitsByClassAxis
= lng_CommonUnitsMember
Assumed allocation of net loss (34,866)us-gaap_ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic
/ us-gaap_CapitalUnitsByClassAxis
= lng_CommonUnitsMember
(3,203)us-gaap_ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic
/ us-gaap_CapitalUnitsByClassAxis
= lng_CommonUnitsMember
Weighted average units outstanding 57,080us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted
/ us-gaap_CapitalUnitsByClassAxis
= lng_CommonUnitsMember
57,079us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted
/ us-gaap_CapitalUnitsByClassAxis
= lng_CommonUnitsMember
Net loss per unit $ (0.61)us-gaap_EarningsPerShareBasicAndDiluted
/ us-gaap_CapitalUnitsByClassAxis
= lng_CommonUnitsMember
$ (0.06)us-gaap_EarningsPerShareBasicAndDiluted
/ us-gaap_CapitalUnitsByClassAxis
= lng_CommonUnitsMember
Class B Units [Member]    
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]    
Net loss 0us-gaap_NetIncomeLoss
/ us-gaap_CapitalUnitsByClassAxis
= us-gaap_CapitalUnitClassBMember
 
Declared distributions 0us-gaap_DistributionMadeToLimitedPartnerCashDistributionsDeclared
/ us-gaap_CapitalUnitsByClassAxis
= us-gaap_CapitalUnitClassBMember
0us-gaap_DistributionMadeToLimitedPartnerCashDistributionsDeclared
/ us-gaap_CapitalUnitsByClassAxis
= us-gaap_CapitalUnitClassBMember
Assumed allocation of undistributed net loss 0us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic
/ us-gaap_CapitalUnitsByClassAxis
= us-gaap_CapitalUnitClassBMember
0us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic
/ us-gaap_CapitalUnitsByClassAxis
= us-gaap_CapitalUnitClassBMember
Assumed allocation of net loss 0us-gaap_ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic
/ us-gaap_CapitalUnitsByClassAxis
= us-gaap_CapitalUnitClassBMember
0us-gaap_ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic
/ us-gaap_CapitalUnitsByClassAxis
= us-gaap_CapitalUnitClassBMember
Weighted average units outstanding 145,333us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted
/ us-gaap_CapitalUnitsByClassAxis
= us-gaap_CapitalUnitClassBMember
145,333us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted
/ us-gaap_CapitalUnitsByClassAxis
= us-gaap_CapitalUnitClassBMember
Net loss per unit $ 0.00us-gaap_EarningsPerShareBasicAndDiluted
/ us-gaap_CapitalUnitsByClassAxis
= us-gaap_CapitalUnitClassBMember
$ 0.00us-gaap_EarningsPerShareBasicAndDiluted
/ us-gaap_CapitalUnitsByClassAxis
= us-gaap_CapitalUnitClassBMember
Subordinated Units [Member]    
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]    
Net loss (123,171)us-gaap_NetIncomeLoss
/ us-gaap_CapitalUnitsByClassAxis
= lng_SubordinatedUnitsMember
 
Declared distributions 0us-gaap_DistributionMadeToLimitedPartnerCashDistributionsDeclared
/ us-gaap_CapitalUnitsByClassAxis
= lng_SubordinatedUnitsMember
0us-gaap_DistributionMadeToLimitedPartnerCashDistributionsDeclared
/ us-gaap_CapitalUnitsByClassAxis
= lng_SubordinatedUnitsMember
Assumed allocation of undistributed net loss (140,236)us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic
/ us-gaap_CapitalUnitsByClassAxis
= lng_SubordinatedUnitsMember
(65,135)us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic
/ us-gaap_CapitalUnitsByClassAxis
= lng_SubordinatedUnitsMember
Assumed allocation of net loss (140,236)us-gaap_ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic
/ us-gaap_CapitalUnitsByClassAxis
= lng_SubordinatedUnitsMember
(65,135)us-gaap_ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic
/ us-gaap_CapitalUnitsByClassAxis
= lng_SubordinatedUnitsMember
Weighted average units outstanding 135,384us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted
/ us-gaap_CapitalUnitsByClassAxis
= lng_SubordinatedUnitsMember
135,384us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted
/ us-gaap_CapitalUnitsByClassAxis
= lng_SubordinatedUnitsMember
Net loss per unit $ (1.04)us-gaap_EarningsPerShareBasicAndDiluted
/ us-gaap_CapitalUnitsByClassAxis
= lng_SubordinatedUnitsMember
$ (0.48)us-gaap_EarningsPerShareBasicAndDiluted
/ us-gaap_CapitalUnitsByClassAxis
= lng_SubordinatedUnitsMember
General Partner [Member]    
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]    
Net loss (3,574)us-gaap_NetIncomeLoss
/ us-gaap_CapitalUnitsByClassAxis
= us-gaap_GeneralPartnerMember
 
Declared distributions 495us-gaap_DistributionMadeToLimitedPartnerCashDistributionsDeclared
/ us-gaap_CapitalUnitsByClassAxis
= us-gaap_GeneralPartnerMember
495us-gaap_DistributionMadeToLimitedPartnerCashDistributionsDeclared
/ us-gaap_CapitalUnitsByClassAxis
= us-gaap_GeneralPartnerMember
Assumed allocation of undistributed net loss (4,070)us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic
/ us-gaap_CapitalUnitsByClassAxis
= us-gaap_GeneralPartnerMember
(1,890)us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic
/ us-gaap_CapitalUnitsByClassAxis
= us-gaap_GeneralPartnerMember
Assumed allocation of net loss $ (3,575)us-gaap_ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic
/ us-gaap_CapitalUnitsByClassAxis
= us-gaap_GeneralPartnerMember
$ (1,395)us-gaap_ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic
/ us-gaap_CapitalUnitsByClassAxis
= us-gaap_GeneralPartnerMember