Name:	atif_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipOwnershipInterestDescription
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Data Type:	xbrli:stringItemType
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- References

No definition available.

Name:	atif_WhollyOwnedSubsidiariesOfATIFAbstract
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- References

No definition available.

Name:	srt_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract
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Description of business purpose of the subsidiary of the limited liability company or limited partnership, for example, its day-to-day operating functions and whether it acts as a holding or operating company.

No definition available.

Name:	us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipBusinessPurpose
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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Date the subsidiary of the limited liability company (LLC) or limited partnership (LP) was formed, in YYYY-MM-DD format.

No definition available.

Name:	us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
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The number of units or percentage investment held in the subsidiary by the limited liability company or limited partnership.

No definition available.

Name:	us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipOwnershipInterest
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

State in which the subsidiary of the limited liability company or limited partnership was organized.

No definition available.

Name:	us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipState
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
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Name:	srt_OwnershipAxis=atif_ATIFIncATIFUSAMember
Namespace Prefix:
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Name:	srt_OwnershipAxis=atif_ATIFInvestmentLLCATIFInvestmentMember
Namespace Prefix:
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Name:	srt_OwnershipAxis=atif_ATIFBDMember
Namespace Prefix:
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Name:	srt_OwnershipAxis=atif_ATIFBCMember
Namespace Prefix:
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Name:	srt_OwnershipAxis=atif_ATIFBMMember
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