Consolidated Statements of Stockholders' (Deficit) Equity (Parenthetical) $ in Thousands	12 Months Ended
Dec. 31, 2019 USD ($)
Statement of Stockholders' Equity [Abstract]
Issuance costs, equity component of convertible debt	$ 3,725

Debt Issuance Costs, Net, Allocated To Equity Component

No definition available.

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