Represents the number of units held in the subsidiary by the limited partnership.

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://www.xbrl.org/2003/role/presentationRef
-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

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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- Definition

Total of all Partners' Capital (deficit) items which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(31))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 5
-Subparagraph (SAB Topic 5.F)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(22))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(24))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Details

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- Details

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- Details

Name:	us-gaap_OwnershipAxis=ahgp_AllianceResourceOperatingPartnersMember
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- Details

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- Details

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- Details

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- Details

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- Details

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NONCONTROLLING INTERESTS - Partners' Capital (Details) - USD ($) $ in Thousands			7 Months Ended	12 Months Ended
	Jul. 28, 2017	Jul. 27, 2017	Jul. 27, 2017	Dec. 31, 2017	Dec. 31, 2016
Noncontrolling Interest
Noncontrolling interests				$ 560,862	$ 516,122
ARLP
Noncontrolling Interest
Ownership percentage by general partners				1.0001%
ARLP \| SGP
Noncontrolling Interest
Ownership percentage by general partners		0.01%	0.01%
Intermediate Partnership
Noncontrolling Interest
Ownership percentage by general partners	1.0001%			1.0001%
Intermediate Partnership \| SGP
Noncontrolling Interest
Ownership percentage by general partners		0.01%	0.01%
Accumulated other comprehensive loss attributable to noncontrolling interests
Noncontrolling Interest
Noncontrolling interests				$ (17,120)	(21,990)
SGP
Noncontrolling Interest
Noncontrolling interests				(303,817)	(303,818)
Non-Affiliates (ARLP's non-affiliate limited partners)
Noncontrolling Interest
Noncontrolling interests				876,451	836,380
Affiliates (Cavalier Minerals)
Noncontrolling Interest
Noncontrolling interests				$ 5,348	$ 5,550
ARLP
Noncontrolling Interest
Units owned by parent	87,188,338			87,188,338