v3.25.2
Cover
Jun. 18, 2025
Cover [Abstract]  
Document Type 8-K
Document Period End Date Jun. 18, 2025
Entity Registrant Name ARDELYX, INC.
Entity Incorporation, State or Country Code DE
Entity File Number 001-36485
Entity Tax Identification Number 26-1303944
Entity Address, Address Line One 400 FIFTH AVE.
Entity Address, Address Line Two SUITE 210
Entity Address, City or Town WALTHAM
Entity Address, State or Province MA
Entity Address, Postal Zip Code 02451
City Area Code 510
Local Phone Number 745-1700
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, par value $0.0001
Trading Symbol ARDX
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Entity Central Index Key 0001437402
Amendment Flag false