XML 37 R45.htm IDEA: XBRL DOCUMENT v2.4.1.9
Fair Value Measurements (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2014
Impaired long-lived assets      
Fair value measurements      
Weighted average disposal period used in estimation of the fair value of the impaired long-lived assets 4 years 4 years  
Impaired long-lived assets | Weighted average      
Fair value measurements      
Discount rate used in estimation of the fair value of the impaired long-lived assets (as a percent) 10.00%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
= exlp_ImpairedLongLivedAssetsMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
9.00%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
= exlp_ImpairedLongLivedAssetsMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
 
Recurring basis | Level 2      
Fair value measurements      
Interest rate swaps asset     $ 712us-gaap_DerivativeAssetNotSubjectToMasterNettingArrangement
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
/ us-gaap_FairValueByMeasurementFrequencyAxis
= us-gaap_FairValueMeasurementsRecurringMember
Interest rate swaps liability (8,885)us-gaap_DerivativeLiabilityNotSubjectToMasterNettingArrangement
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
/ us-gaap_FairValueByMeasurementFrequencyAxis
= us-gaap_FairValueMeasurementsRecurringMember
  (5,108)us-gaap_DerivativeLiabilityNotSubjectToMasterNettingArrangement
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
/ us-gaap_FairValueByMeasurementFrequencyAxis
= us-gaap_FairValueMeasurementsRecurringMember
Nonrecurring basis | Level 3      
Fair value measurements      
Impaired long-lived assets 355exlp_ImpairedLongLivedAssetsFairValueDisclosure
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ us-gaap_FairValueByMeasurementFrequencyAxis
= us-gaap_FairValueMeasurementsNonrecurringMember
252exlp_ImpairedLongLivedAssetsFairValueDisclosure
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ us-gaap_FairValueByMeasurementFrequencyAxis
= us-gaap_FairValueMeasurementsNonrecurringMember