XML 119 R89.htm IDEA: XBRL DOCUMENT
v3.25.1

Fair Value Measurements - Schedule of Level 3 Fair Value Measurements of the Impaired Trade Name (Details) - Fair Value, Recurring [Member] - Fair Value, Inputs, Level 3 [Member] | 12 Months Ended
--- | ---
Dec. 31, 2024 USD ($)
Measurement Input Royalty Rate [Member] |
Schedule of Level 3 Fair Value Measurements of the Impaired Trade Name [Line Items] |
Fair value (in Dollars) |
Valuation techniques | Relief-from-royalty method
Unobservable inputs | Royalty rate
Measurement Input Royalty Rate [Member] | Minimum [Member] |
Schedule of Level 3 Fair Value Measurements of the Impaired Trade Name [Line Items] |
Range of discount rates | 0.00%
Measurement Input Royalty Rate [Member] | Maximum [Member] |
Schedule of Level 3 Fair Value Measurements of the Impaired Trade Name [Line Items] |
Range of discount rates | 0.00%
Measurement Input, Discount Rate [Member] |
Schedule of Level 3 Fair Value Measurements of the Impaired Trade Name [Line Items] |
Unobservable inputs | Discount rate
Measurement Input, Discount Rate [Member] | Minimum [Member] |
Schedule of Level 3 Fair Value Measurements of the Impaired Trade Name [Line Items] |
Range of discount rates | 13.50%
Measurement Input, Discount Rate [Member] | Maximum [Member] |
Schedule of Level 3 Fair Value Measurements of the Impaired Trade Name [Line Items] |
Range of discount rates | 13.50%
Measurement Input Terminal Growth Rate [Member] |
Schedule of Level 3 Fair Value Measurements of the Impaired Trade Name [Line Items] |
Unobservable inputs | Revenue growth rate
Measurement Input Terminal Growth Rate [Member] | Minimum [Member] |
Schedule of Level 3 Fair Value Measurements of the Impaired Trade Name [Line Items] |
Range of discount rates | 3.00%
Measurement Input Terminal Growth Rate [Member] | Maximum [Member] |
Schedule of Level 3 Fair Value Measurements of the Impaired Trade Name [Line Items] |
Range of discount rates | 3.00%

X
- Definition Valuation techniques. + References No definition available. + Details
Name: | ambo_Fairvaluemeasurementsvaluationtechnique
Namespace Prefix: | ambo_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Range of discount rates. + References No definition available. + Details
Name: | ambo_RangeOfDiscountRates
Namespace Prefix: | ambo_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Unobservable inputs. + References No definition available. + Details
Name: | ambo_UnobservableInputs
Namespace Prefix: | ambo_
Data Type: | xbrli:stringItemType
Balance Type: | na
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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value portion of assets, excluding financial assets, that lack physical substance, having a limited useful life. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2E -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2E Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=ambo_MeasurementInputRoyaltyRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputDiscountRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=ambo_MeasurementInputTerminalGrowthRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |