Stock-Based Compensation - Employee Stock Purchase Plan (Details) - Employee Stock Purchase Plan - On the settlement of employee stock purchase plan shares	12 Months Ended
Dec. 31, 2019 USD ($) shares
Stock-Based Compensation
Maximum annual contribution per employee \| $	$ 25,000
Maximum annual contribution per employee, percent	10.00%
Maximum number of shares available under the Plan	1,000,000
Non-vested awards at the end of the period (in shares)	783,270
Purchase discount rate	5.00%
Minimum
Stock-Based Compensation
Percentage discount on per share fair market value of shares	85.00%
Maximum
Stock-Based Compensation
Percentage discount on per share fair market value of shares	100.00%

Discount on Fair Market Price of Stock Purchase Plan Equities

No definition available.

Name:	aroc_DiscountonFairMarketPriceofStockPurchasePlanEquities
Namespace Prefix:	aroc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Purchase Discount Rate

+ References

No definition available.

+ Details

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

- Definition

Stock Based Compensation, Maximum Annual Contributions Per Employee, Amount

+ References

No definition available.

+ Details

Name:	aroc_StockBasedCompensationMaximumAnnualContributionsPerEmployeeAmount
Namespace Prefix:	aroc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Stock Based Compensation, Maximum Annual Contributions Per Employee, Percent

+ References

No definition available.

+ Details

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

- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

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

- Definition

Number of shares authorized for issuance under share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_PlanNameAxis=aroc_EmployeeStockPurchasePlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: