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Intangible Assets and Deferred Charges - Narrative (Details) | 9 Months Ended
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Sep. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract] |
Estimated useful life (in years) | 15 years
Deferred charges, amortization period (in years) | 2 years 6 months

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- Definition Deferred Charges, Amortization Period + References No definition available. + Details
Name: | acnt_DeferredChargesAmortizationPeriod
Namespace Prefix: | acnt_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

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