Name:	awx_ContractTerm
Namespace Prefix:	awx_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

The period of time for a membership agreement, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

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Data Type:	xbrli:durationItemType
Balance Type:	na
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Represents the number of golf courses.

No definition available.

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Data Type:	xbrli:integerItemType
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Represents the number of major customers accounting for 10% or more of the specified concentration risk benchmark, which includes, but not limited to, sales revenue, accounts receivable, etc.

No definition available.

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The number of suspended saltwater injection wells due to a seismic event.

No definition available.

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Namespace Prefix:	awx_
Data Type:	xbrli:integerItemType
Balance Type:	na
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The percentage of revenue, excluding tax collected from customer, from satisfaction of performance obligation by transferring promised good or service to customer.

No definition available.

Name:	awx_RevenueFromContractWithCustomerExcludingAssessedTaxPercentage
Namespace Prefix:	awx_
Data Type:	dtr-types:percentItemType
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Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount of allowance for credit loss on accounts receivable.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

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Namespace Prefix:	us-gaap_
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Balance Type:	debit
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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

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-Topic 606
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Name:	srt_ProductOrServiceAxis=awx_CustomerAdvanceDepositsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_ConcentrationRiskByBenchmarkAxis=awx_SalesRevenueNetToExternalCustomersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_ConcentrationRiskByTypeAxis=us-gaap_CustomerConcentrationRiskMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	srt_MajorCustomersAxis=awx_TwoCustomersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesRevenueNetMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_AccountsReceivableMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_MajorCustomersAxis=awx_OneCustomerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_StatementBusinessSegmentsAxis=awx_WasteManagementServicesMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
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