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Equity Offering Program Authorized Amount

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Amount of cash distribution paid to unit-holder of limited partnership (LP).

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- Definition

Date of record for distribution of cash or unit to limited partner of limited partnership (LP), in CCYY-MM-DD format.

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Date of distribution for distribution of cash or unit to limited partner of limited partnership (LP), in CCYY-MM-DD format.

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- Definition

Per unit of ownership amount of cash distributions declared to unit-holder of a limited partnership (LP).

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Cash outflow to owners or shareholders, excluding ordinary dividends. Includes special dividends.

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Amount of cash outflow in the form of ordinary dividends provided by the non-wholly owned subsidiary to noncontrolling interests.

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Amount of cash outflow in the form of ordinary dividends to preferred shareholders of the parent entity.

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Amount of noncash expense for share-based payment arrangement.

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Number of shares issued under share-based payment arrangement.

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Partners' Capital (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions								1 Months Ended		3 Months Ended		12 Months Ended
	May 15, 2020	May 08, 2020	Apr. 16, 2020	Feb. 14, 2020	Feb. 07, 2020	Feb. 14, 2019	Feb. 07, 2019	Apr. 30, 2020	Feb. 29, 2020	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2017
Distribution Made to Limited Partner [Line Items]
Equity Offering Program Authorized Amount										$ 250.0
Distribution Made to Limited Partner, Distribution Date				Feb. 14, 2020		Feb. 14, 2019
Distribution Made to Limited Partner, Date of Record					Feb. 07, 2020		Feb. 07, 2019
Distributions to preferred unit holders										15.0	$ 15.0
Incentive Distribution, Distribution										45.3	43.1
Payments of Ordinary Dividends, Noncontrolling Interest										9.2	3.3
Distribution Made to Limited Partner, Cash Distributions Paid				$ 45.3		$ 43.1
Crestwood Midstream Partners LP
Distribution Made to Limited Partner [Line Items]
Incentive Distribution, Distribution										57.0	57.8
Payments of Ordinary Dividends, Noncontrolling Interest										9.2	3.3
Distribution Made to General Partner, Cash Distributions Paid										57.0	57.8
Crestwood Niobrara LLC
Distribution Made to Limited Partner [Line Items]
Payments of Ordinary Dividends, Noncontrolling Interest										9.2	$ 3.3
Performance Shares
Distribution Made to Limited Partner [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period									184,528			405,620
Share-based Payment Arrangement, Noncash Expense										0.2
Common Units
Distribution Made to Limited Partner [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period									838,556
Subsequent Event
Distribution Made to Limited Partner [Line Items]
Distribution Made to Limited Partner, Distribution Date	May 15, 2020
Distribution Made to Limited Partner, Date of Record		May 08, 2020
Distributions to preferred unit holders			$ 15.0
Subsequent Event \| Crestwood Niobrara LLC
Distribution Made to Limited Partner [Line Items]
Payments of Ordinary Dividends, Noncontrolling Interest								$ 9.2
Cash Distribution \| Subsequent Event
Distribution Made to Limited Partner [Line Items]
Distribution Made to Limited Partner, Distributions Declared, Per Unit			$ 0.625
Crestwood LTIP
Distribution Made to Limited Partner [Line Items]
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount										$ 4.2