v3.19.1
Document and Entity Information - shares
3 Months Ended
Mar. 31, 2019
May 01, 2019
Document And Entity Information [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2019  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q1  
Trading Symbol AERI  
Entity Registrant Name AERIE PHARMACEUTICALS INC  
Entity CIK 0001337553  
Current Fiscal Year End Date --12-31  
Emerging Growth Company false  
Smaller Reporting Company false  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding (in shares)   45,917,834