XML 167 R116.htm IDEA: XBRL DOCUMENT
v3.19.1

DISPOSAL OF SUBSIDIARIES (Narrative) (Details) ¥ in Thousands, $ in Thousands | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Sep. 30, 2017 CNY (¥) | Aug. 31, 2017 CNY (¥) | Dec. 31, 2018 CNY (¥) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 CNY (¥) | Dec. 31, 2016 CNY (¥) | Dec. 31, 2018 USD ($)
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Gain on disposal |  |  | ¥ 0 | $ 0 | ¥ 38,145 | ¥ 0 |
Liabilities |  |  | 647,448 |  | 811,461 |  | $ 94,167
Disposal Group Including Discontinued Operation Payable Current One |  |  | ¥ 25,532 |  | ¥ 137,532 |  |
Ambow Online [Member] |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Disposal Group, Including Discontinued Operation, Consideration |  | ¥ 171,137 |  |  |  |  |
Decrease In Consideration |  | 137,532 |  |  |  |  |
Gain on disposal |  | ¥ 33,605 |  |  |  |  |
Disposal Group Including Discontinued Operation Disposal Percentage |  | 100.00% |  |  |  |  |
Twenty Firsts Training Center [Member] |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Disposal Group, Including Discontinued Operation, Consideration | ¥ 1 |  |  |  |  |  |
Gain on disposal | ¥ 4,540 |  |  |  |  |  |
Disposal Group Including Discontinued Operation Disposal Percentage | 100.00% |  |  |  |  |  |
Proceeds from Sales of Business, Affiliate and Productive Assets | ¥ 1 |  |  |  |  |  |
Liabilities | ¥ 4,540 |  |  |  |  |  |

X
- Definition Decrease In Consideration + References No definition available. + Details
Name: | amboy_DecreaseInConsideration
Namespace Prefix: | amboy_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the disposal percentage of ownership of common stock or equity participation in the investee accounted. + References No definition available. + Details
Name: | amboy_DisposalGroupIncludingDiscontinuedOperationDisposalPercentage
Namespace Prefix: | amboy_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount classified as payable attributable to disposal group held for sale or disposed of. + References No definition available. + Details
Name: | amboy_DisposalGroupIncludingDiscontinuedOperationPayableCurrentOne
Namespace Prefix: | amboy_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation. + References No definition available. + Details
Name: | us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2443-110228 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230 + Details
Name: | us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19-26) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_Liabilities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Aggregate cash proceeds received from a combination of transactions in which noncurrent assets are sold, which may include the sale of a business, an investment in an affiliate (including an equity method investee), property, plant and equipment and intangible assets. Excludes sales of trading, available-for-sale, and held-to-maturity securities. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585 + Details
Name: | us-gaap_ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- 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
Name: | us-gaap_ScheduleOfEquityMethodInvestmentsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=amboy_AmbowOnlineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=amboy_TwentyFirstsTrainingCenterMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |