Amount Receivable, Upon Achievement Of Event

No definition available.

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Namespace Prefix:	aeri_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount Receivable, Upon Execution of Collaboration Agreement

+ References

No definition available.

+ Details

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Namespace Prefix:	aeri_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Collaborative Agreement, Amount Receivable Upon Achievement Of Certain Commercial Milestones

+ References

No definition available.

+ Details

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Namespace Prefix:	aeri_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Collaborative Agreement, Amount Receivable Upon Achievement Of Certain Development And Regulatory Milestones

+ References

No definition available.

+ Details

Name:	aeri_CollaborativeAgreementAmountReceivableUponAchievementOfCertainDevelopmentAndRegulatoryMilestones
Namespace Prefix:	aeri_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Collaborative Agreement, Expiration, Period After First Commercial Sale Of Product

+ References

No definition available.

+ Details

Name:	aeri_CollaborativeAgreementExpirationPeriodAfterFirstCommercialSaleOfProduct
Namespace Prefix:	aeri_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Collaborative Agreement, Repayment Of Upfront Payment Upon Termination, Amount

+ References

No definition available.

+ Details

Name:	aeri_CollaborativeAgreementRepaymentOfUpfrontPaymentUponTerminationAmount
Namespace Prefix:	aeri_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Collaborative Agreement, Royalty Percentage

+ References

No definition available.

+ Details

Name:	aeri_CollaborativeAgreementRoyaltyPercentage
Namespace Prefix:	aeri_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Collaborative Agreement, Termination By Counterparty, Effective After Written Notice Period

+ References

No definition available.

+ Details

Name:	aeri_CollaborativeAgreementTerminationByCounterpartyEffectiveAfterWrittenNoticePeriod
Namespace Prefix:	aeri_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Provisions For Revenue Reserves To Reduce Product Revenues To Product Revenues, Net

+ References

No definition available.

+ Details

Name:	aeri_ProvisionsForRevenueReservesToReduceProductRevenuesToProductRevenuesNet
Namespace Prefix:	aeri_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Revenue From Contract With Customer, Number Of Distributors

+ References

No definition available.

+ Details

Name:	aeri_RevenueFromContractWithCustomerNumberOfDistributors
Namespace Prefix:	aeri_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-URI https://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- 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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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=aeri_SantenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=aeri_ExpandedTerritoriesExcludingChinaAndIndiaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=aeri_ChinaAndIndiaMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	srt_StatementGeographicalAxis=srt_EuropeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=aeri_RhopressaAndRocklatanMember
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Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ConcentrationRiskByTypeAxis=us-gaap_CustomerConcentrationRiskMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_MajorCustomersAxis=aeri_DistributorOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_MajorCustomersAxis=aeri_DistributorTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	srt_MajorCustomersAxis=aeri_DistributorThreeMember
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Revenue Recognition - Narrative (Details) $ in Millions	1 Months Ended	3 Months Ended		6 Months Ended
Revenue Recognition - Narrative (Details) $ in Millions	Dec. 31, 2021 USD ($) Segment	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($) Segment	Jun. 30, 2021 USD ($) Segment	Jan. 01, 2022 USD ($)
Disaggregation of Revenue [Line Items]
Provisions for revenue reserves to reduce product revenues to product revenues, net		$ 70.8	$ 61.3	$ 134.5	$ 112.1
Second Santen Agreement \| Santen
Disaggregation of Revenue [Line Items]
Upfront payment receivable						$ 88.0
Amount receivable, upon achievement of event						$ 2.0
Contingent payments receivable upon achievement of development and regulatory milestones (up to)	$ 15.5
Contingent payments receivable upon achievement of commercial milestones (up to)	$ 60.0
Collaborative agreement, termination by counterparty, effective after written notice period \| Segment	180
Collaborative agreement expiration, period after first commercial sale of product	3 years
Expanded Territories Excluding China and India \| Second Santen Agreement \| Santen
Disaggregation of Revenue [Line Items]
Royalty percentage (in excess of)	25.00%
China and India \| Second Santen Agreement \| Santen
Disaggregation of Revenue [Line Items]
Royalty percentage (in excess of)	20.00%
Europe \| Santen
Disaggregation of Revenue [Line Items]
Collaborative agreement, repayment of upfront payment upon termination, amount	$ 8.0
Rhopressa and Rocklatan \| Sales Revenue, Net \| Customer Concentration Risk
Disaggregation of Revenue [Line Items]
Number of distributors \| Segment				3	3
Rhopressa and Rocklatan \| Sales Revenue, Net \| Customer Concentration Risk \| Distributor One
Disaggregation of Revenue [Line Items]
Concentration risk percentage				37.00%	37.00%
Rhopressa and Rocklatan \| Sales Revenue, Net \| Customer Concentration Risk \| Distributor Two
Disaggregation of Revenue [Line Items]
Concentration risk percentage				33.00%	32.00%
Rhopressa and Rocklatan \| Sales Revenue, Net \| Customer Concentration Risk \| Distributor Three
Disaggregation of Revenue [Line Items]
Concentration risk percentage				28.00%	30.00%