v3.22.4
Cover Page - USD ($)
$ in Billions
 12 Months Ended
Dec. 31, 2022
Feb. 09, 2023
Jun. 30, 2022
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Current Fiscal Year End Date --12-31    
Document Period End Date Dec. 31, 2022    
Document Transition Report false    
Entity File Number 001-37557    
Entity Registrant Name Penumbra, Inc.    
Entity Incorporation, State or Country Code DE    
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    
Title of 12(b) Security Common Stock, Par value $0.001 per share    
Trading Symbol PEN    
Security Exchange Name NYSE    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
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    
ICFR Auditor Attestation Flag true    
Entity Shell Company false    
Entity Public Float     $ 4.5
Entity Common Stock, Shares Outstanding   38,178,925  
Documents Incorporated by Reference Portions of the registrant’s definitive proxy statement for its 2023 annual meeting of stockholders, which is to be filed not more than 120 days after the registrant’s fiscal year ended December 31, 2022, are incorporated by reference into Part III of this Annual Report on Form 10-K.    
Entity Central Index Key 0001321732    
Document Fiscal Year Focus 2022    
Document Fiscal Period Focus FY    
Amendment Flag false