v3.6.0.2

Business and Organization (Details)	12 Months Ended
	Dec. 31, 2016 item
Water Handling and Treatment
Business and Organization
Number of independent fresh water systems	2

X

- Definition

Number of independent fresh water systems that source and deliver fresh water for well completion operations.

+ References

No definition available.

+ Details

Name:	am_NumberOfIndependentFreshWaterSystems
Namespace Prefix:	am_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- 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:	am_OrganizationConsolidationAndPresentationOfFinancialStatementsLineItems
Namespace Prefix:	am_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=am_WaterHandlingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: