Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Cover
- Document And Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)
Notes Tables
Notes Details

NON-CONTROLLING INTERESTS - Additional Information (Details)

v3.24.1.u1

NON-CONTROLLING INTERESTS - Additional Information (Details)						1 Months Ended	4 Months Ended	12 Months Ended
	Jun. 02, 2021 CNY (¥)	Sep. 29, 2019 CNY (¥)	Sep. 26, 2019 CNY (¥)	Oct. 26, 2018 CNY (¥)	Feb. 28, 2017 CNY (¥)	Feb. 28, 2017 CNY (¥) item	Jun. 02, 2021 CNY (¥)	Dec. 31, 2023 CNY (¥)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 CNY (¥)	Dec. 31, 2021 CNY (¥)	Dec. 31, 2020 CNY (¥)
NON-CONTROLLING INTERESTS
Adjustment to redeemable non-controlling interests	¥ 24,310,333
Loss from continuing operations before income taxes								¥ (40,522,250)	$ (5,707,440)	¥ (54,515,615)	¥ (37,949,694)
Gain from the disposal of Muhua Shangce										¥ 1,308,627	¥ 33,542,154
Muhua investment
NON-CONTROLLING INTERESTS
Cash consideration for new financing agreement with Muhua investment		¥ 5,000,000
Muhua investment \| Maximum
NON-CONTROLLING INTERESTS
Percentage of equity interest			56.00%
Muhua investment \| Minimum
NON-CONTROLLING INTERESTS
Percentage of equity interest			54.60%
Muhua shangce
NON-CONTROLLING INTERESTS
Equity interest acquired			50.00%
Redemption value			¥ 2,500,000
Loss from continuing operations before income taxes							¥ 3,441,545					¥ 12,446,417
Net loss attributable to ATA Creativity Global							¥ 1,879,084					¥ 6,795,744
Gain from the disposal of Muhua Shangce	¥ 33,542,154
Investors
NON-CONTROLLING INTERESTS
Number of investors \| item						2
Equity interest acquired			50.00%			20.00%
Redemption period			5 years		6 years
Redemption value			¥ 2,500,000		¥ 34,000,000	¥ 34,000,000
Redemption value interest rate			8.00%		8.00%	8.00%
ATA Education \| Muhua shangce \| Limited partnership
NON-CONTROLLING INTERESTS
Percentage of shares approved to be transferred				24.00%
Total consideration				¥ 1,500,000
ATA Education \| Muhua shangce \| Chief executive officer
NON-CONTROLLING INTERESTS
Sold equity interest percentage	54.60%

- Definition

The number of investors who acquired ownership.

+ References

No definition available.

+ Details

Name:	aacg_AcquiringNumberOfInvestors
Namespace Prefix:	aacg_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Adjustment to redeemable non-controlling interests.

+ References

No definition available.

+ Details

Name:	aacg_AdjustmentToRedeemableNonControllingInterests
Namespace Prefix:	aacg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the investment in equity security without readily determinable fair value.

+ References

No definition available.

+ Details

Name:	aacg_EquitySecuritiesWithoutReadilyDeterminableFairValueInvestmentPercentage
Namespace Prefix:	aacg_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The amount of gain or loss on disposal of subsidiaries and other.

+ References

No definition available.

+ Details

Name:	aacg_GainOrLossOnDisposalOfSubsidiariesAndOther
Namespace Prefix:	aacg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Non-controlling interest redemption period, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	aacg_NonControllingInterestRedemptionPeriod
Namespace Prefix:	aacg_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The interest rate of the redemption value of redeemable non-controlling interest

+ References

No definition available.

+ Details

Name:	aacg_NoncontrollingInterestRedemptionValueInterestRate
Namespace Prefix:	aacg_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The percentage of ownership of equity participation acquired.

+ References

No definition available.

+ Details

Name:	aacg_OwnershipInterestAcquiredPercentage
Namespace Prefix:	aacg_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The cash outflow associated with the investment in other equity investments without a readily determinable fair value.

+ References

No definition available.

+ Details

Name:	aacg_PaymentsToAcquireOtherEquityInvestments
Namespace Prefix:	aacg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Sold equity interest percentage.

+ References

No definition available.

+ Details

Name:	aacg_SoldEquityInterestPercentage
Namespace Prefix:	aacg_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The portion of comprehensive net income or loss attributable to temporary equity interest.

+ References

No definition available.

+ Details

Name:	aacg_TemporaryEquityComprehensiveIncomeLoss
Namespace Prefix:	aacg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(11))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483586/944-220-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 22
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-22

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 30
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-30

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 32
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-32

Reference 5: http://www.xbrl.org/2003/role/exampleRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 31
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-31

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 32
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-32

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 235
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-05(b)(2))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479557/942-235-S99-1

Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 25
-Paragraph 1
-SubTopic 20
-Topic 940
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481913/940-20-25-1

Reference 9: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(10))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2

Reference 10: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04(15))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483589/942-220-S99-1

+ Details

Name:	us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Redemption value, as if currently redeemable, of redeemable noncontrolling interest classified as temporary equity and the election has been made to accrete changes in redemption value to the earliest redemption date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 3A
-Subparagraph 24(b)
-SubTopic 10
-Topic 480
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480244/480-10-S99-3A

+ Details

Name:	us-gaap_RedeemableNoncontrollingInterestEquityRedemptionValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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

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

- Definition

Amount of consideration received by subsidiary or equity investee in exchange for shares of stock issued or sold. Includes amount of cash received, fair value of noncash assets received, and fair value of liabilities assumed by the investor.

+ References

No definition available.

+ Details

Name:	us-gaap_SaleOfStockConsiderationReceivedPerTransaction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Percentage of subsidiary's or equity investee's stock owned by parent company before stock transaction.

+ References

No definition available.

+ Details

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

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=aacg_MuhuaInvestmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=aacg_MuhuaShangceLearningDataAndTechnologyBeijingLimitedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=aacg_ThirdPartyInvestorsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=aacg_AtaEducationAuthorityBeijingLimitedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=aacg_NingboMeishanBondedPortAreaZunmingInvestmentManagementCenterMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_TitleOfIndividualAxis=srt_ChiefExecutiveOfficerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: