v3.19.3
Document and Entity Information
Oct. 22, 2019
Cover [Abstract]  
Entity Registrant Name ROKU, INC
Amendment Flag false
Entity Central Index Key 0001428439
Document Type 8-K
Document Period End Date Oct. 22, 2019
Entity Incorporation State Country Code DE
Entity File Number 001-38211
Entity Tax Identification Number 26-2087865
Entity Address, Address Line One 150 Winchester Circle
Entity Address, City or Town Los Gatos
Entity Address, State or Province CA
Entity Address, Postal Zip Code 95032
City Area Code (408)
Local Phone Number 556-9040
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Class A Common Stock, $0.0001 par value
Trading Symbol “ROKU”
Security Exchange Name NASDAQ
Entity Emerging Growth Company false