v3.25.4
Document and Entity Information Document
Mar. 12, 2026
Cover [Abstract]  
Document Type 8-K
Document Period End Date Mar. 12, 2026
Entity Registrant Name iRhythm Holdings, Inc.
Entity Incorporation, State or Country Code DE
Entity File Number 001-37918
Entity Tax Identification Number 41-3421287
Entity Address, Address Line One 699 8th Street
Entity Address, Address Line Two Suite 600
Entity Address, City or Town San Francisco
Entity Address, State or Province CA
Entity Address, Postal Zip Code 94103
City Area Code 415
Local Phone Number 632-5700
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 $0.001 Per Share
Trading Symbol IRTC
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Entity Central Index Key 0001388658
Amendment Flag false