XML 69 R48.htm IDEA: XBRL DOCUMENT
v3.22.4

General and Basis of Presentation (Details) T in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 facility T
Results of Operations for Oil and Gas Producing Activities, by Geographic Area [Line Items] |
Coke production experience, more than | 60 years
Coal handling capacity (in tons), more than | 40.0
Coal storage capacity (in tons) | 3.0
Indiana Harbor |
Results of Operations for Oil and Gas Producing Activities, by Geographic Area [Line Items] |
Ownership percentage (as a percent) | 14.80%
United States |
Results of Operations for Oil and Gas Producing Activities, by Geographic Area [Line Items] |
Number of facilities | facility | 5
Cokemaking capacity (in tons) | 4.2
Brazil |
Results of Operations for Oil and Gas Producing Activities, by Geographic Area [Line Items] |
Number of facilities | facility | 1
Cokemaking capacity (in tons) | 1.7

X
- Definition Coal Handling Capacity + References No definition available. + Details
Name: | sxc_CoalHandlingCapacity
Namespace Prefix: | sxc_
Data Type: | dtr-types:weightItemType
Balance Type: | na
Period Type: | duration

X
- Definition Coal Storage Capacity + References No definition available. + Details
Name: | sxc_CoalStorageCapacity
Namespace Prefix: | sxc_
Data Type: | dtr-types:weightItemType
Balance Type: | na
Period Type: | duration

X
- Definition Coke making capacity + References No definition available. + Details
Name: | sxc_CokeMakingCapacity
Namespace Prefix: | sxc_
Data Type: | dtr-types:weightItemType
Balance Type: | na
Period Type: | duration

X
- Definition Coke Production Experience + References No definition available. + Details
Name: | sxc_CokeProductionExperience
Namespace Prefix: | sxc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of facilities. + References No definition available. + Details
Name: | sxc_NumberOfFacilities
Namespace Prefix: | sxc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 + Details
Name: | us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
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_ResultsOfOperationsForOilAndGasProducingActivitiesByGeographicAreaLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=sxc_IndianaHarborMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_BR
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |