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v3.23.2

Supplier Finance Program (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Dec. 31, 2022
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Payables and Accruals [Abstract] |  |
Amount due to the financial intermediaries | $ 14,000 | $ 17,000

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- Definition Supplier Finance Program, Obligations, Current + References No definition available. + Details
Name: | asix_SupplierFinanceProgramObligationsCurrent
Namespace Prefix: | asix_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
Name: | us-gaap_PayablesAndAccrualsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration