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v3.25.1

Nature of business, organization structure and basis of presentation (Details) - state | 1 Months Ended |
--- | --- | ---
Sep. 30, 2021 | Mar. 31, 2025
Equity, Class of Treasury Stock [Line Items] |  |
Number of states in which entity operates |  | 50
IPO |  |
Equity, Class of Treasury Stock [Line Items] |  |
Minority initial public offering, percentage | 18.40% |

X
- Definition Sale Of Stock, Percentage Sold in Transaction + References No definition available. + Details
Name: | act_SaleOfStockPercentageSoldInTransaction
Namespace Prefix: | act_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition The number of states the entity operates in as of the balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfStatesInWhichEntityOperates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=us-gaap_IPOMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |