The amount of funding provided by the noncontrolling interest holders to the investee.

No definition available.

Name:	ahgp_AmountFundedByNoncontrollingOwners
Namespace Prefix:	ahgp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents the amount of funding provided by the entity to the investee.

+ References

No definition available.

+ Details

Name:	ahgp_AmountFundedByPartnership
Namespace Prefix:	ahgp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents the total cumulative funding expected to be provided by the noncontrolling intere

+ References

No definition available.

+ Details

Name:	ahgp_ExpectedFundingByNoncontrollingOwners
Namespace Prefix:	ahgp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents the total cumulative funding expected to be provided by the entity to the investee, including funding provided to date.

+ References

No definition available.

+ Details

Name:	ahgp_ExpectedFundingByPartnership
Namespace Prefix:	ahgp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The percentage incentive distribution to which the noncontrolling owner of the investment is entitled as managing member.

+ References

No definition available.

+ Details

Name:	ahgp_IncentiveDistributionPercentageToManagingMemberNoncontrollingOwner
Namespace Prefix:	ahgp_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the remaining funding committed to be provided to the investee by the noncontrolling interest holders.

+ References

No definition available.

+ Details

Name:	ahgp_NoncontrollingOwnersRemainingFundingCommitment
Namespace Prefix:	ahgp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represents the remaining amount committed by the partnership for equity investment.

+ References

No definition available.

+ Details

Name:	ahgp_RemainingCommitmentsToEquityInvestment
Namespace Prefix:	ahgp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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_VariableInterestEntityLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 50

-Paragraph 5A

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=28200181&loc=SL6759159-111685

+ Details

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

- Details

Name:	us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=ahgp_CavalierMineralsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=ahgp_CavalierMineralsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=ahgp_AllDaleMineralsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

NONCONTROLLING INTERESTS (Details 2) - USD ($) $ in Millions			2 Months Ended		3 Months Ended	6 Months Ended	8 Months Ended
	Jul. 01, 2015	Nov. 10, 2014	Dec. 31, 2014	Dec. 31, 2014	Jun. 30, 2015	Jun. 30, 2015	Jun. 30, 2015
Affiliate (Cavalier Minerals)
Cavalier Agreement
Expected funding					$ 48.0	$ 48.0	$ 48.0
Expected funding by noncontrolling owners						2.0
Amount of funding provided			$ 11.5		11.2	19.2	30.7
Remaining equity investment commitment					17.3	17.3	17.3
Amount of funding from noncontrolling owners						1.6
Additional funding committed by noncontrolling owners					0.4	$ 0.4	0.4
Incentive distribution for noncontrolling owners (as a percent)						25.00%
Ownership interest in VIE (as a percent)						96.00%
Affiliate (Cavalier Minerals) \| AllDale Minerals
Cavalier Agreement
Expected funding					49.0	$ 49.0	49.0
Amount of funding provided	$ 8.4	$ 7.4		$ 4.2	11.9	20.5	32.1
Remaining equity investment commitment					$ 16.9	$ 16.9	$ 16.9