Certain Provisions of the ENLK Partnership Agreement - Narrative and Distributions (Details) - USD ($) $ in Millions	1 Months Ended		3 Months Ended
	Jan. 31, 2022	Dec. 31, 2021	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Partnership agreement
Total consideration paid			$ 50.5		$ 0.0
Series B Preferred Unitholders
Partnership agreement
Stock redeemed during period (in shares)			3,333,334
Total consideration paid			$ 50.5
Redemption price of preferred stock, percent			10100.00%
Distribution paid-in kind (in shares)			0	0	150,871	150,494
Cash distributions			$ 17.5	$ 19.2	$ 17.0	$ 16.9
Series B Preferred Unitholders | Limited Partner | Fourth Quarter of 2021
Partnership agreement
Distributions preferred units	$ 1.0	$ 0.9
Series B Preferred Unitholders | Limited Partner | First Quarter of 2022
Partnership agreement
Distributions preferred units	$ 0.3		$ 17.2
Series B Preferred Unitholders | EnLink Midstream Partners, LP
Partnership agreement
Preferred units, issued (in shares)		57,501,693	54,168,359	57,501,693
Preferred units, outstanding (in shares)		57,501,693	54,168,359	57,501,693
Series C Preferred Unitholders | EnLink Midstream Partners, LP
Partnership agreement
Preferred units, issued (in shares)		400,000	400,000	400,000
Preferred units, outstanding (in shares)		400,000	400,000	400,000