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Revenue from Contract with Customers - Contract Liabilities (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Revenue from Contract with Customer [Abstract]
Contract liability with customer	$ 4,600
Deferred revenue	8,167	$ 10,696
Deferred revenue recognized in earnings	$ 8,081	$ 17,183

X

- Definition

Total revenue recognized from both the beginning balance and current period increase in contract liability

+ References

No definition available.

+ Details

Name:	aroc_ContractWithCustomerLiabilityRevenueRecognizedFromBeginningBalanceAndCurrentPeriod
Namespace Prefix:	aroc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration has been received or is receivable excluding revenue recognized from both the beginning balance and current period increase in contract liability.

+ References

No definition available.

+ Details

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

X

- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=123360276&loc=SL49130531-203044

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130549-203045

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=123360276&loc=SL49130532-203044

+ Details

Name:	us-gaap_ContractWithCustomerLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- References

No definition available.

+ Details

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