v3.20.1

Statutory Reserves - Additional Information (Details) - CNY (¥)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Statutory Reserves Disclosure [Abstract]
Required percentage of after tax profit transferred to general reserve fund	10.00%
Percentage of registered capital limit for transfer of after tax profit to general reserve fund	50.00%
Accumulated of after tax profit to statutory reserve fund	¥ 25,671,341	¥ 25,557,266

X

- Definition

Accumulated of after tax profit to statutory reserve fund.

+ References

No definition available.

+ Details

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

X

- Definition

Statutory reserves disclosure.

+ References

No definition available.

+ Details

Name:	aacg_StatutoryReservesDisclosureAbstract
Namespace Prefix:	aacg_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the ratio of the general reserve fund to registered capital after which mandatory contributions to the general reserve fund are no longer required for foreign-invested enterprises as per the laws and regulations applicable to the entity and its subsidiaries.

+ References

No definition available.

+ Details

Name:	aacg_TransferOfAfterTaxProfitToGeneralReserveFundPercentageOfRegisteredCapitalLimit
Namespace Prefix:	aacg_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the percentage of after tax profit required to be transferred to the general reserve fund as per the laws and regulations applicable to the entity and its subsidiaries.

+ References

No definition available.

+ Details

Name:	aacg_TransferOfAfterTaxProfitToGeneralReserveFundRequiredPercentage
Namespace Prefix:	aacg_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration