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v3.22.2

Marketable Securities - Additional Information (Details) | 6 Months Ended
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Jun. 30, 2022
Minimum |
Schedule of Held-to-maturity Securities [Line Items] |
Marketable securities, contractual maturity period | 1 month
Maximum |
Schedule of Held-to-maturity Securities [Line Items] |
Marketable securities, contractual maturity period | 6 months

X
- Definition Investments held in marketable securities, contractual maturities period. + References No definition available. + Details
Name: | avdx_InvestmentsHeldInMarketableSecuritiesContractualMaturitiesPeriod
Namespace Prefix: | avdx_
Data Type: | xbrli:durationItemType
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 No definition available. + Details
Name: | us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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: |