Represents the ratio of cash flow to interest expense.

No definition available.

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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

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Namespace Prefix:	ahgp_
Data Type:	xbrli:durationItemType
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- Definition

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

+ References

No definition available.

+ Details

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Namespace Prefix:	ahgp_
Data Type:	xbrli:pureItemType
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- Definition

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

+ References

No definition available.

+ Details

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Namespace Prefix:	ahgp_
Data Type:	xbrli:pureItemType
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- 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

Number of variable interest rate benchmarks allowed under terms of debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	ahgp_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the ratio of debt to cash flow.

+ References

No definition available.

+ Details

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

- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ 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))
-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 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: 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(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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

- 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

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

+ Details

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

- Definition

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

+ References

+ 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

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_DebtInstrumentAxis=ahgp_AllianceResourcePartnersLpSeriesBSeniorNotesMember
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Balance Type:
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Balance Type:
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Name:	us-gaap_DebtInstrumentAxis=ahgp_TermLoanMember
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Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	us-gaap_DebtInstrumentAxis=ahgp_SwinglineSubfacilityMember
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Balance Type:
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Name:	us-gaap_LongtermDebtTypeAxis=ahgp_AllianceResourcePartnersLpCreditAgreementMember
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LONG-TERM DEBT - ARLP Debt Arrangements (Details)		3 Months Ended	12 Months Ended
LONG-TERM DEBT - ARLP Debt Arrangements (Details)	Jan. 27, 2017 USD ($) item	Mar. 31, 2017 USD ($)	Mar. 31, 2017 USD ($)	Apr. 26, 2017 USD ($)	Apr. 03, 2017 USD ($)	Dec. 31, 2016 USD ($)
Long-Term Debt
Borrowings		$ 525,000,000	$ 525,000,000			$ 550,000,000
ARLP Series B Senior Notes
Long-Term Debt
Borrowings		145,000,000	145,000,000			145,000,000
ARLP Credit Agreement \| ARLP Revolving credit facility
Long-Term Debt
Borrowings		230,000,000	230,000,000
ARLP Credit Agreement \| ARLP Revolving credit facility \| Initial Commitment expiring May 23, 2017
Long-Term Debt
Maximum borrowing capacity	$ 776,500,000
ARLP Credit Agreement \| ARLP Revolving credit facility \| Reduced Commitment as of May 23. 2017
Long-Term Debt
Maximum borrowing capacity	490,750,000				$ 490,750,000
ARLP Credit Agreement \| ARLP Revolving credit facility \| Reduced Commitment as of May 23. 2017 \| Before amendment
Long-Term Debt
Maximum borrowing capacity	479,750,000
ARLP Credit Agreement \| ARLP Revolving credit facility \| Extended Commitment to May 23, 2021
Long-Term Debt
Maximum borrowing capacity					$ 457,250,000
ARLP Credit Agreement \| ARLP Term loan
Long-Term Debt
Aggregate principal amount	50,000,000
Borrowings		50,000,000	$ 50,000,000	$ 50,000,000
ARLP Credit Agreement \| ARLP Letters of credit subfacility
Long-Term Debt
Maximum borrowing capacity	125,000,000
ARLP Credit Agreement \| ARLP Swingline subfacility
Long-Term Debt
Maximum borrowing capacity	$ 15,000,000
ARLP Replaced Credit Agreement \| Replaced Revolving Credit Facility
Long-Term Debt
Borrowings						255,000,000
ARLP Replaced Credit Agreement \| ARLP Replaced Term Loan
Long-Term Debt
Borrowings						$ 50,000,000
Intermediate Partnership \| ARLP Debt Arrangements
Long-Term Debt
ARLP debt arrangements requirements, period over which the ratios are required to be maintained	12 months		12 months
Actual debt to cash flow ratio for trailing twelve months			0.80
Actual cash flow to interest expense ratio for trailing twelve months			25.50
Intermediate Partnership \| ARLP Debt Arrangements \| Maximum
Long-Term Debt
ARLP debt arrangements requirements, fixed charge coverage ratio	1.15
ARLP debt arrangements requirements, debt to cash flow ratio	2.25
Intermediate Partnership \| ARLP Debt Arrangements \| Minimum
Long-Term Debt
ARLP debt arrangements requirements, cash flow to interest expense ratio	3.0
Intermediate Partnership \| ARLP Debt Arrangements \| Before amendment \| Maximum
Long-Term Debt
ARLP debt arrangements requirements, fixed charge coverage ratio	1.25
Intermediate Partnership \| ARLP Credit Agreement \| ARLP Revolving credit facility
Long-Term Debt
Number of benchmarks \| item	3
Intermediate Partnership \| ARLP Credit Agreement \| ARLP Series B Senior Notes
Long-Term Debt
Aggregate principal amount	$ 145,000,000
Interest rate (as a percent)	6.72%
Intermediate Partnership \| ARLP Replaced Credit Agreement \| Replaced Revolving Credit Facility
Long-Term Debt
Maximum borrowing capacity	$ 700,000,000
Intermediate Partnership \| ARLP Replaced Credit Agreement \| ARLP Replaced Term Loan
Long-Term Debt
Aggregate principal amount	$ 250,000,000
ARLP \| ARLP Credit Agreement \| ARLP Revolving credit facility
Long-Term Debt
Borrowings		230,000,000	$ 230,000,000
Letters of credit outstanding		8,600,000	8,600,000
Line of credit facility, available for borrowing		$ 537,900,000	$ 537,900,000
Annual commitment fee percentage, undrawn portion		0.31%
ARLP \| ARLP Credit Agreement \| ARLP Revolving credit facility \| Eurodollar Rate
Long-Term Debt
Effective interest rate (as a percent)		3.12%	3.12%