XML 168 R117.htm IDEA: XBRL DOCUMENT
v3.19.1

GAIN FROM DEREGISTRATION OF SUBSIDIARIES (Narrative) (Details) ¥ in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 CNY (¥) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 CNY (¥) | Dec. 31, 2016 CNY (¥)
Gain from deregistration of subsidiaries | ¥ 2,858 | $ 416 | ¥ 0 | ¥ 0

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