Short-Term Loans - Additional Information (Details)

v3.23.1

Short-Term Loans - Additional Information (Details) - CNY (¥)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	May 31, 2022	Jun. 30, 2021
Short Term Debt [Line Items]
Line Of Credit From Loan Facility Withdrawn	¥ 0
Mr. Xiaofeng Ma
Short Term Debt [Line Items]
Other short-term borrowings			¥ 631,000
CEO of Muhua Shangce
Short Term Debt [Line Items]
Other short-term borrowings		¥ 1,210,000	1,260,000
Loan unpaid amount					¥ 7,511,000
Mr. Xiaofeng Ma
Short Term Debt [Line Items]
Other short-term borrowings			500,000
Three Third Party Companies
Short Term Debt [Line Items]
Other short-term borrowings			900,000
CEO of Muhua Shangce and Three Third Party Companies
Short Term Debt [Line Items]
Repayment of other short-term borrowings			1,490,000
Short-Term Loan \| Huanqiuyimeng
Short Term Debt [Line Items]
Short-term borrowings from bank			13,327,000
4.35% Interest loan
Short Term Debt [Line Items]
Other short-term borrowings			¥ 3,000,000
Annual interest rate			4.35%
2.00% Interest Loan \| CEO of Muhua Shangce
Short Term Debt [Line Items]
Other short-term borrowings			¥ 500,000
Annual interest rate			2.00%
No Interest \| CEO of Muhua Shangce
Short Term Debt [Line Items]
Other short-term borrowings		1,060,000	¥ 760,000
No Interest \| Three Third Party Companies
Short Term Debt [Line Items]
Other short-term borrowings		800,000
No Interest \| CEO and Director of a Partnership
Short Term Debt [Line Items]
Other short-term borrowings		¥ 700,000
Debt instrument term		14 months
6.12% Interest Loan \| CEO of Muhua Shangce
Short Term Debt [Line Items]
Other short-term borrowings		¥ 150,000
Annual interest rate		6.12%
Commercial Loan
Short Term Debt [Line Items]
Line of credit				¥ 20,000,000

- Definition

Maximum borrowing capacity under the credit facility.

+ References

No definition available.

+ Details

Name:	aacg_CommercialLoanFacilityMaximumBorrowingCapacity
Namespace Prefix:	aacg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line Of Credit From Loan Facility Withdrawn.

+ References

No definition available.

+ Details

Name:	aacg_LineOfCreditFromLoanFacilityWithdrawn
Namespace Prefix:	aacg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of outstanding short-term debt or borrowing associated with any securities or credit agreement for which there has been a default in principal, interest, sinking fund, or redemption provisions, or any breach of covenant that existed at the end of the period and subsequently has not been cured.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(c))
-URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

+ Details

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

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1B
-Subparagraph (b)
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-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Period of time between issuance and maturity of debt instrument, 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_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of borrowings classified as other, maturing within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(a)(7))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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

- Definition

Amount of cash outflow for the payment of debt classified as other, maturing within one year or the operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3291-108585

+ Details

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

- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 852
-SubTopic 10
-Section 55
-Paragraph 10
-URI https://asc.fasb.org/extlink&oid=84165509&loc=d3e56426-112766

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-Name Accounting Standards Codification
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-Section S99
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-URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910

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+ Details

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

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=aacg_ThreeThirdPartyCompaniesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
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- Details

Name:	us-gaap_ShortTermDebtTypeAxis=aacg_ShortTermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ShortTermDebtTypeAxis=aacg_FourPointThreeFivePercentageInterestLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ShortTermDebtTypeAxis=aacg_TwoPercentageInterestLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ShortTermDebtTypeAxis=aacg_NoInterestMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=aacg_ChiefExecutiveOfficerAndDirectorOfPartnershipMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_CommercialLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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

Short-Term Loans - Additional Information (Details)