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GAIN FROM DEREGISTRATION OF SUBSIDIARIES (Details) ¥ in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 USD ($) | Jun. 30, 2021 CNY (¥) | Jun. 30, 2020 CNY (¥) | Jun. 30, 2021 USD ($) | Jun. 30, 2021 CNY (¥) | Jun. 30, 2020 CNY (¥)
Gain from deregistration of subsidiaries | $ 183 | ¥ 1,181 | ¥ 3,897 | $ 205 | ¥ 1,325 | ¥ 3,897

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- Definition Gain from deregistration of subsidiaries. + References No definition available. + Details
Name: | ambo_GainFromDeregistrationOfSubsidiaries
Namespace Prefix: | ambo_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration