Document and Entity Information
Oct. 21, 2020
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Oct. 21, 2020
Entity Registrant Name NETGEAR, INC.
Entity Central Index Key 0001122904
Entity Emerging Growth Company false
Entity File Number 000-50350
Entity Incorporation, State or Country Code DE
Entity Tax Identification Number 77-0419172
Entity Address, Address Line One 350 East Plumeria Drive
Entity Address, City or Town San Jose
Entity Address, State or Province CA
Entity Address, Postal Zip Code 95134
City Area Code (408)
Local Phone Number 907-8000
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, $0.001 par value
Trading Symbol NTGR
Security Exchange Name NASDAQ