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Cover
 3 Months Ended
Jun. 01, 2022
Jun. 30, 2025
Cover [Abstract]    
Document Type 8-K  
Document Period End Date May 28, 2025  
Entity Registrant Name Penumbra, Inc.  
Entity Incorporation, State or Country Code DE  
Entity File Number 001-37557  
Entity Tax Identification Number 05-0605598  
Entity Address, Address Line One One Penumbra Place  
Entity Address, City or Town Alameda  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 94502  
City Area Code 510  
Local Phone Number 748-3200  
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 PEN  
Security Exchange Name NYSE  
Entity Emerging Growth Company false  
Entity Central Index Key 0001321732  
Amendment Flag false  
Current Fiscal Year End Date   --12-31