Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2023	Oct. 25, 2023
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2023
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q3
Entity Registrant Name	Corsair Gaming, Inc.
Entity Central Index Key	0001743759
Current Fiscal Year End Date	--12-31
Entity Emerging Growth Company	false
Entity File Number	001-39533
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	82-2335306
Entity Address, Address Line One	115 N. McCarthy Boulevard
Entity Address, City or Town	Milpitas
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	95035
City Area Code	510
Local Phone Number	657-8747
Entity Interactive Data Current	Yes
Entity Current Reporting Status	Yes
Document Quarterly Report	true
Document Transition Report	false
Entity Common Stock, Shares Outstanding		102,978,569
Entity Shell Company	false
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Title of 12(b) Security	Common Stock, $0.0001 par value per share
Trading Symbol	CRSR
Security Exchange Name	NASDAQ