XML 76 R65.htm IDEA: XBRL DOCUMENT
v3.19.1

Derivatives - Interest Rate Risk (Details) - Derivatives designated as hedging instruments $ in Millions | Mar. 31, 2019 USD ($)
--- | ---
Interest rate swaps |
Notional Disclosures |
Notional amount of interest rate swaps | $ 500
May 2019 |
Notional Disclosures |
Notional amount of interest rate swaps | 100
May 2020 |
Notional Disclosures |
Notional amount of interest rate swaps | 100
March 2022 |
Notional Disclosures |
Notional amount of interest rate swaps | $ 300

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: |