Certain Provisions of the Partnership Agreement - Narrative (Details) $ / shares in Units, $ in Millions				1 Months Ended					3 Months Ended		12 Months Ended
	Dec. 15, 2022 $ / shares	Jul. 01, 2022 plant	Jan. 25, 2019	Oct. 31, 2022 USD ($) shares	Jan. 31, 2022 USD ($) shares	Dec. 31, 2021 USD ($) shares	Sep. 30, 2017 $ / shares shares	Jan. 31, 2016 $ / shares shares	Mar. 14, 2023	Sep. 30, 2019	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Mar. 15, 2023 USD ($)
Partnership agreement
Common units conversion ratio			1.15
Crestwood Gas Services Operating LLC
Partnership agreement
Number of processing plants | plant		3
Series B Preferred Units
Partnership agreement
Stock redeemed during period (in shares) | shares					3,333,334	3,300,330
Redemption of Series B Preferred Units | $					$ 50.5	$ 50.0
Redemption price of preferred stock, percent											101.00%
Series B Preferred Units | EnLink Midstream Partners, LP
Partnership agreement
Partners' capital account, units, sold in private placement (in shares) | shares								50,000,000
Shares issued, price per share (in dollars per share) | $ / shares								$ 15.00
Annual rate on issue price											0.25%
Annual rate on issue price payable in cash										28.125%
Series C Preferred Units
Partnership agreement
Stock redeemed during period (in shares) | shares				19,000
Redemption of Series B Preferred Units | $				$ 15.2
Redemption price of preferred stock, percent				8000.00%
Series C Preferred Units | EnLink Midstream Partners, LP
Partnership agreement
Shares issued, price per share (in dollars per share) | $ / shares							$ 1,000
Partners' capital account, units, sold in public offering (in shares) | shares							400,000
Partners capital account, redemption price (in dollars per share) | $ / shares	$ 1,000
Partners' capital account, redemption period following review or appeal	120 days
Partners' capital account, redemption price following review or appeal (in dollars per share) | $ / shares	$ 1,020
Partners' capital account, dividend rate, percentage	6.00%
Distributions to preferred unitholders | $											$ 23.4	$ 24.0	$ 24.0
Series C Preferred Units | EnLink Midstream Partners, LP | Subsequent Event
Partnership agreement
Partners' capital account, dividend rate, percentage									8.8463%
Partners' capital account, distributions, variable floating rate percentage									4.11%
Distribution payable | $														$ 8.4
Series C Preferred Units | EnLink Midstream Partners, LP | LIBOR
Partnership agreement
Partners' capital account, distributions, variable floating rate percentage	4.11%
Limited Partner | Series B Preferred Units
Partnership agreement
Partners' capital, conversion obligation period of consecutive trading days											30 days
Partners' capital, average trading price, number of trading days											2 days
Percent of issue price											150.00%