Cover - shares	9 Months Ended
	Sep. 30, 2023	Nov. 07, 2023
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2023
Document Transition Report	false
Entity File Number	001-40481
Entity Registrant Name	INDIE SEMICONDUCTOR, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	88-1735159
Entity Address, Address Line One	32 Journey
Entity Address, City or Town	Aliso Viejo
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	92656
City Area Code	949
Local Phone Number	608-0854
Title of 12(b) Security	Class A common stock, par value $0.0001 per share
Trading Symbol	INDI
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	false
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q3
Entity Central Index Key	0001841925
Amendment Flag	false
Convertible debt into Class A common shares
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		161,304,121
Class V
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		18,994,328