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Retirement Benefit Plan (Details) - USD ($) $ in Millions | 6 Months Ended | 12 Months Ended | 18 Months Ended
--- | --- | --- | ---
Jun. 30, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2018
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 |  |  |  |  | 100.00%
Employer percentage match of employees contribution |  |  |  |  | 5.00%
Recognized matching contributions from retirement plan (in dollars) |  | $ 6.5 | $ 4.8 | $ 3.8 |

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- Definition Defined Contribution Plan Employer Match Employee Contribution Level One + References No definition available. + Details
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Namespace Prefix: | aroc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Defined Contribution Plan Employer Match Employee Contribution Level Two + References No definition available. + Details
Name: | aroc_DefinedContributionPlanEmployerMatchEmployeeContributionLevelTwo
Namespace Prefix: | aroc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Defined Contribution Plan Employer Match Level One + References No definition available. + Details
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Namespace Prefix: | aroc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Defined Contribution Plan Employer Match Level Two + References No definition available. + Details
Name: | aroc_DefinedContributionPlanEmployerMatchLevelTwo
Namespace Prefix: | aroc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
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- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Percentage employer matches of the employee's percentage contribution matched. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
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