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Document and Entity Information
Dec. 11, 2024
Cover [Abstract]  
Document Type 8-K
Document Period End Date Dec. 11, 2024
Entity Registrant Name ACADIA PHARMACEUTICALS INC
Entity Incorporation State Country Code DE
Entity File Number 000-50768
Entity Tax Identification Number 06-1376651
Entity Address Address Line 1 12830 El Camino Real
Entity Address Address Line 2 Suite 400
Entity Address City Or Town San Diego
Entity Address State Or Province CA
Entity Address Postal Zip Code 92130
City Area Code 858
Local Phone Number 558-2871
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock, par value $0.0001 per share
Trading Symbol ACAD
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Amendment Flag false
Entity Central Index Key 0001070494