Gain from deregistration of subsidiaries.

No definition available.

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Namespace Prefix:	ambo_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of consideration transferred to purchase non controlling interests.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents the number of corporate shareholders.

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the number of individual shareholders.

+ References

No definition available.

+ Details

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Namespace Prefix:	ambo_
Data Type:	xbrli:integerItemType
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Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of cash inflow from a noncontrolling interest. Includes, but is not limited to, purchase of additional shares or other increase in noncontrolling interest ownership.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Percentage of subsidiary's or equity method investee's stock owned by parent immediately after all stock transactions.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
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Period Type:	duration

- Details

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- Details

Name:	srt_OwnershipAxis=ambo_BeijingAmbowCowainEducationAndTechnologyCoLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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Data Type:	na
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- Details

Name:	srt_OwnershipAxis=ambo_ShanghaiTongguoEducationTechnologyCo.LimitedMember
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- Details

Name:	srt_OwnershipAxis=ambo_BeijingZhongHandaTechnologyConsultingCo.LtdMember
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NON-CONTROLLING INTERESTS (Details) ¥ in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($)	Dec. 31, 2020 CNY (¥)	Dec. 31, 2019 CNY (¥)	Dec. 31, 2018 CNY (¥) shareholder
NON-CONTROLLING INTERESTS [Line Items]
Proceeds from minority shareholder capital injection			¥ 559	¥ 1,470
Gain from deregistration of subsidiaries	$ 608	¥ 3,967	¥ 1,841	¥ 2,858
Shenyang K-12
NON-CONTROLLING INTERESTS [Line Items]
Ownership (as a percent)	100.00%	100.00%		10.00%
Adjustment to paid in capital				¥ 4,504
Gain from deregistration of subsidiaries				¥ 1,885
Beijing Ambow Cowain Education and Technology Co Ltd
NON-CONTROLLING INTERESTS [Line Items]
Ownership (as a percent)				49.00%
Proceeds from minority shareholder capital injection				¥ 1,470
Number of corporate shareholders \| shareholder				1
Number of individual shareholders \| shareholder				1
Zhong'an Ambow
NON-CONTROLLING INTERESTS [Line Items]
Ownership (as a percent)			49.00%
Proceeds from minority shareholder capital injection			¥ 1,285
Ownership (as a percent)			51.00%
Shanghai Tongguo Education Technology Co., Ltd.
NON-CONTROLLING INTERESTS [Line Items]
Ownership (as a percent)			40.00%
Gain from deregistration of subsidiaries			¥ 306
Beijing Zhong An Handa Technology Consulting Co., Ltd
NON-CONTROLLING INTERESTS [Line Items]
Ownership (as a percent)	49.00%	49.00%
Gain from deregistration of subsidiaries		¥ (19)