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SEGMENT INFORMATION - General (Details) | 9 Months Ended
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Sep. 30, 2024 segment
SEGMENT INFORMATION |
Number of reportable segments | 4
Number of coal reportable segments | 2
Number of mining complex | 7
Percentage of coal sold by coal operations' mines leased from coal royalties entities | 63.00%

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- Definition Number of coal reportable segments. + References No definition available. + Details
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Balance Type: | na
Period Type: | duration

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- Definition Number of mining complex. + References No definition available. + Details
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Namespace Prefix: | arlp_
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Balance Type: | na
Period Type: | duration

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- Definition Represents the percentage of coal sold by coal operations' mines leased from Coal Royalties entities. + References No definition available. + Details
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Namespace Prefix: | arlp_
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Balance Type: | na
Period Type: | duration

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- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 47 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482785/280-10-55-47 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 54 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482785/280-10-55-54 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-18 + Details
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Period Type: | duration

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- References No definition available. + Details
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