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: