v3.25.2
Cover - shares
6 Months Ended
Jun. 30, 2025
Jul. 14, 2025
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2025  
Document Transition Report false  
Entity File Number 001-37557  
Entity Registrant Name Penumbra, Inc  
Entity Address, Address Description One Penumbra Place  
Entity Address, City or Town Alameda  
Entity Address, State or Province CA  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 05-0605598  
Entity Address, Postal Zip Code 94502  
City Area Code 510  
Local Phone Number 748-3200  
Title of 12(b) Security Common Stock, Par value $0.001 per share  
Trading Symbol PEN  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   38,999,129
Entity Central Index Key 0001321732  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q2  
Amendment Flag false