Acquisitions (Narrative) (Details)	Jun. 27, 2019
Suncoke Inc
Subsidiary, Sale of Stock [Line Items]
Ownership interest of general partnership (as a percent)	60.40%
Interest in partnership (as a percent)	2.00%
Public Unitholders
Subsidiary, Sale of Stock [Line Items]
Ownership interest, public (as a percent)	37.60%

Limited Liability Company (LLC) or Limited Partnership (LP), Ownership Interest, Public

No definition available.

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- Definition

Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055

+ Details

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- Definition

Percentage investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP).

+ References

+ Details

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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.

+ References

No definition available.

+ Details

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- Details

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- Details

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