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Deferred Contract Acquisition and Contract Fulfillment Costs - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Contract Acquisition Cost [Member]
Capitalized Contract Cost [Line Items]
Amortization expense related to deferred costs	$ 1,683	$ 1,971	$ 1,410
Contract Fulfillment Cost [Member]
Capitalized Contract Cost [Line Items]
Amortization expense related to deferred costs	$ 620	$ 737	$ 852

X

- Definition

Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 340
-SubTopic 40
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126905575&loc=SL49131252-203054

+ Details

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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

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Balance Type:	na
Period Type:	duration

X

- Details

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Namespace Prefix:
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Period Type:

X

- Details

Name:	us-gaap_CapitalizedContractCostAxis=amwl_ContractFulfillmentCostMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: