v2.4.1.9

Summary of Significant Accounting Policies (Details) (USD $)	12 Months Ended	0 Months Ended
	Dec. 31, 2014	Nov. 12, 2014	Dec. 31, 2013
Impairment of Long-Lived Assets
Impairment of assets	$ 0us-gaap_ImpairmentOfLongLivedAssetsHeldForUse
Stock-Based Compensation
Number of stock-based compensation awards authorized		10,000,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Granted (in shares)	2,381,440us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Gathering pipelines and compressor stations
Property and Equipment
Useful life	20 years
Predecessor | Assets under construction
Property and Equipment
Property and equipment	$ 318,000,000us-gaap_PropertyPlantAndEquipmentGross / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_AssetUnderConstructionMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember		$ 211,000,000us-gaap_PropertyPlantAndEquipmentGross / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_AssetUnderConstructionMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
Phantom share units
Stock-Based Compensation
Granted (in shares)		2,361,440us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_PhantomShareUnitsPSUsMember
Restricted stock awards
Stock-Based Compensation
Granted (in shares)		20,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember

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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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