Earnings Per Share and Dilution Computations (Details) (USD $)	3 Months Ended		6 Months Ended			3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014 Class B units	Jun. 30, 2014 Common Stock	Jun. 30, 2014 Common Stock	Jun. 30, 2014 Unvested restricted shares	Jun. 30, 2014 Unvested restricted shares	Jun. 30, 2014 Enlink midstream, LLC	Mar. 31, 2014 Enlink midstream, LLC	Jun. 30, 2014 Enlink midstream, LLC	Jun. 30, 2014 Enlink midstream, LLC Class B units
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income attributable to Enlink Midstream, LLC	$ 28,800,000		$ 35,600,000
Distributed Earnings	36,200,000		50,900,000			36,100,000	50,600,000	100,000	300,000
Undistributed Earnings, Basic	(7,400,000)		(15,300,000)			(7,400,000)	(15,200,000)	0	(100,000)
Net income attributable to Enlink Midstream, LLC	28,800,000	32,800,000	71,100,000	62,200,000		28,700,000	35,400,000	100,000	200,000
Distribution Made to Limited Liability Company (LLC) Member, Cash Distributions Declared										$ 0.22	$ 0.18		$ 0.05
Distribution Made to Limited Liability Company (LLC) Member, Distribution Date					May 15, 2014						May 15, 2014	Aug. 14, 2014
Basic per common unit	$ 0.18	$ 0.00	$ 0.22	$ 0.00
Diluted per common unit	$ 0.18	$ 0.00	$ 0.22	$ 0.00
Class B units conversion date			May 06, 2014