XML 153 R84.htm IDEA: XBRL DOCUMENT
v3.21.1

PREPAID AND OTHER CURRENT ASSETS, NET (Summary of Receivable Transferred and Consideration Allocated Based on Management's Estimation on Recoverability) (Details) - CNY (¥) ¥ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Mar. 06, 2020
Amount due from minority shareholder | ¥ 49,800 | ¥ 49,800 |
Payable to Zhenjiang Foreign Language School (Note 7(ii)) | 36,770 | 36,770 |
Principal amount of loans provided |  | ¥ 9,000 |
Interest rate (as a percent) |  | 5.00% |
NewSchool |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  | 100.00%
Zhenjiang Foreign Language School |  |  |
Payable to Zhenjiang Foreign Language School (Note 7(ii)) | 36,770 | ¥ 36,770 |
Provision | 0 |  |
Ambow NSAD Inc | NewSchool |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  | 100.00%
Xihua Group |  |  |
Amount due from minority shareholder | 49,800 |  |
Provision | ¥ 0 |  |

X
- Definition Represents amount due from minority shareholders. + References No definition available. + Details
Name: | ambo_DueFromMinorityShareholders
Namespace Prefix: | ambo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Percentage of interest rate on loans provided to third party. + References No definition available. + Details
Name: | ambo_LoansProvidedToThirdPartyInterestRatePercentage
Namespace Prefix: | ambo_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Principal amount of loans provided to third party. + References No definition available. + Details
Name: | ambo_LoansProvidedToThirdPartyPrincipalAmount
Namespace Prefix: | ambo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable for management contract rights. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References No definition available. + Details
Name: | ambo_PayableRelatedToManagementContractRightsCurrent
Namespace Prefix: | ambo_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
Name: | us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 + Details
Name: | us-gaap_LossContingencyAccrualProvision
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=ambo_NewschoolOfArchitectureAndDesignLlcMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=ambo_ZhenjiangForeignLanguageSchoolMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=ambo_AmbowNsadIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=us-gaap_GuaranteeOfBusinessRevenueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |