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v3.23.1

Revenue - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Dec. 31, 2022
Revenue From Contract With Customer Line Items [Line Items] |  |  |
Contract liability revenue recognized | $ 16,198 | $ 23,147 |
Transaction price allocated to remaining performance obligations | $ 194,993 |  | $ 166,855
Performance obligation percentage of transaction price to recognized in the next twelve months | 47.00% |  |
Accounts Receivable [Member] |  |  |
Revenue From Contract With Customer Line Items [Line Items] |  |  |
Unbilled receivables current | $ 4,252 |  | $ 3,566

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- Definition Contract with customer liability revenue. + References No definition available. + Details
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Namespace Prefix: | amwl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Percentage of transaction price expected to be recognised in the next twelve months. + References No definition available. + Details
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Namespace Prefix: | amwl_
Data Type: | dtr-types:percentItemType
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- Definition Revenue from contract with customer [Line items]. + References No definition available. + Details
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Namespace Prefix: | amwl_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of transaction price allocated to performance obligation that has not been recognized as revenue. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130556-203045 + Details
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Data Type: | xbrli:monetaryItemType
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Period Type: | instant

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- Definition Amount received for services rendered and products shipped, but not yet billed, for non-contractual agreements due within one year or the normal operating cycle, if longer. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |