XML 132 R84.htm IDEA: XBRL DOCUMENT v3.20.4

Debt and Financing Obligations (Covenants) (Details) - Credit Agreement and Partner Revolver	Dec. 31, 2020 USD ($)
Line of Credit Facility [Line Items]
Maximum consolidated leverage ratio	4.50
Minimum consolidated interest coverage ratio	2.50
SunCoke Energy Partners, L.P.
Line of Credit Facility [Line Items]
Cross default covenant threshold	$ 35,000,000

X

- Definition

Debt Instrument, Covenant, Cross Default, Threshold

+ References

No definition available.

+ Details

Name:	sxc_DebtInstrumentCovenantCrossDefaultThreshold
Namespace Prefix:	sxc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Debt Instrument, Covenant, Interest Coverage Ratio, Minimum

+ References

No definition available.

+ Details

Name:	sxc_DebtInstrumentCovenantInterestCoverageRatioMinimum
Namespace Prefix:	sxc_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Debt Instrument, Covenant, Leverage Ratio, Maximum

+ References

No definition available.

+ Details

Name:	sxc_DebtInstrumentCovenantLeverageRatioMaximum
Namespace Prefix:	sxc_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

X

- 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

Name:	us-gaap_LineOfCreditFacilityLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_DebtInstrumentAxis=sxc_CreditAgreementandPartnerRevolverMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=sxc_SunCokeEnergyPartnersL.P.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: