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