No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Debt instrument number of tranches.

No definition available.

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Period Type:	instant

Line of credit facility, proceeds receivable upon closing of transaction.

No definition available.

Name:	aimt_LineOfCreditFacilityProceedsReceivableUponClosingOfTransaction
Namespace Prefix:	aimt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Line of credit facility, proceeds receivable upon FDA approval.

No definition available.

Name:	aimt_LineOfCreditFacilityProceedsReceivableUponFDAApproval
Namespace Prefix:	aimt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Line of credit facility without regulatory approval expiration date.

No definition available.

Name:	aimt_LineOfCreditFacilityWithoutRegulatoryApprovalExpirationDate
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Other loans trigger amount to reduce maturity of credit facility.

No definition available.

Name:	aimt_OtherLoansTriggerAmountToReduceMaturityOfCreditFacility
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Regulatory approval last date.

No definition available.

Name:	aimt_RegulatoryApprovalLastDate
Namespace Prefix:	aimt_
Data Type:	xbrli:dateItemType
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Period Type:	duration

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Period Type:	instant

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Topic 470
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Data Type:	num:percentItemType
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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.

No definition available.

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
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Period Type:	duration

Date the credit facility terminates, in CCYY-MM-DD format.

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Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Namespace Prefix:	us-gaap_
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The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

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Aimmune Therapeutics, Inc. 10-Q