XML 71 R60.htm IDEA: XBRL DOCUMENT v3.10.0.1

Derivatives - Interest Rate Risk (Details) - Derivatives designated as hedging instruments - USD ($) $ in Millions	Sep. 30, 2018	Aug. 31, 2017
Interest rate swaps
Notional Disclosures
Notional amount of interest rate swaps	$ 500.0
May 2019
Notional Disclosures
Notional amount of interest rate swaps	100.0
May 2020
Notional Disclosures
Notional amount of interest rate swaps	100.0
March 2022
Notional Disclosures
Notional amount of interest rate swaps	$ 300.0	$ 300.0

X

- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

+ Details

Name:	invest_DerivativeNotionalAmount
Namespace Prefix:	invest_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=aroc_DerivativeExpiringInMay2019Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=aroc_DerivativeExpiringInMay2020Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=aroc_DerivativeExpiringInMarch2022Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: