Represents the ratio of cash flow to interest expense.

No definition available.

Name:	ahgp_CashFlowToInterestExpenseRatioActual
Namespace Prefix:	ahgp_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the period over which the ratios required under the terms of the debt agreement are calculated.

+ References

No definition available.

+ Details

Name:	ahgp_DebtArrangementsPeriodOverWhichRatiosAreCalculated
Namespace Prefix:	ahgp_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the cash flow to interest expense ratio required under the terms of the debt agreement.

+ References

No definition available.

+ Details

Name:	ahgp_DebtInstrumentCovenantsCashFlowToInterestExpenseRatio
Namespace Prefix:	ahgp_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the debt to cash flow ratio required under the terms of the debt agreement.

+ References

No definition available.

+ Details

Name:	ahgp_DebtInstrumentCovenantsDebtToCashFlowRatio
Namespace Prefix:	ahgp_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the fixed charge coverage ratio required after distributions under the terms of the debt agreement.

+ References

No definition available.

+ Details

Name:	ahgp_DebtInstrumentCovenantsFixedChargeCoverageRatio
Namespace Prefix:	ahgp_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the ratio of debt to cash flow.

+ References

No definition available.

+ Details

Name:	ahgp_DebtToCashFlowRatioActual
Namespace Prefix:	ahgp_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ 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 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

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

- Details

Name:	us-gaap_LongtermDebtTypeAxis=ahgp_AllianceResourcePartnersDebtArrangementsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

LONG-TERM DEBT - Series B Senior Notes (Details) $ in Millions		12 Months Ended
	Jan. 27, 2017 USD ($)	Dec. 31, 2016
ARLP Debt Arrangements
Long-Term Debt
ARLP debt arrangements requirements, period over which the ratios are required to be maintained		12 months
Actual debt to cash flow ratio for trailing twelve months		0.93
Actual cash flow to interest expense ratio for trailing twelve months		23.0
Credit Agreement \| Minimum
Long-Term Debt
ARLP debt arrangements requirements, cash flow to interest expense ratio	3.0
Credit Agreement \| ARLP Debt Arrangements \| Maximum
Long-Term Debt
ARLP debt arrangements requirements, debt to cash flow ratio	2.25
Credit Agreement \| ARLP Debt Arrangements \| Minimum
Long-Term Debt
ARLP debt arrangements requirements, fixed charge coverage ratio	1.25
ARLP Series B Senior Notes \| Minimum
Long-Term Debt
ARLP debt arrangements requirements, cash flow to interest expense ratio	3.0	3.0
ARLP Series B Senior Notes \| ARLP Debt Arrangements
Long-Term Debt
Aggregate principal amount	$ 145.0
Interest rate (as a percent)	6.72%
ARLP Series B Senior Notes \| ARLP Debt Arrangements \| Maximum
Long-Term Debt
ARLP debt arrangements requirements, debt to cash flow ratio	2.25	3.0
ARLP Series B Senior Notes \| ARLP Debt Arrangements \| Minimum
Long-Term Debt
ARLP debt arrangements requirements, fixed charge coverage ratio	1.25
Replaced Credit Agreement \| Minimum
Long-Term Debt
ARLP debt arrangements requirements, cash flow to interest expense ratio		3.0
Replaced Credit Agreement \| ARLP Debt Arrangements \| Maximum
Long-Term Debt
ARLP debt arrangements requirements, debt to cash flow ratio		3.0