Defined Contribution Plan Employer Match Employee Contribution Level One

No definition available.

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Defined Contribution Plan Employer Match Employee Contribution Level Two

No definition available.

Name:	aroc_DefinedContributionPlanEmployerMatchEmployeeContributionLevelTwo
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Data Type:	num:percentItemType
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Defined Contribution Plan Employer Match Level One

No definition available.

Name:	aroc_DefinedContributionPlanEmployerMatchLevelOne
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Balance Type:	na
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Defined Contribution Plan Employer Match Level Two

No definition available.

Name:	aroc_DefinedContributionPlanEmployerMatchLevelTwo
Namespace Prefix:	aroc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

No definition available.

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Amount of discretionary contributions made by an employer to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
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Percentage employer matches of the employee's percentage contribution matched.

No definition available.

Name:	us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
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Retirement Benefit Plan (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended			30 Months Ended
Retirement Benefit Plan (Details) - USD ($) $ in Millions	Jun. 30, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2019
Retirement Benefits [Abstract]
Employer match of employee contributions of first 1% of eligible compensation	100.00%
Percentage of eligible compensation matched 100% by employer	1.00%
Employer match of employee contributions of next 5% of eligible compensation	50.00%
Percentage of eligible compensation matched by employer	5.00%
Employer percentage match of employees contribution					100.00%
Employer maximum contribution as a percentage of gross pay					5.00%
Recognized matching contributions from retirement plan (in dollars)		$ 6.8	$ 6.5	$ 4.8