Net Income (Loss) per Common Share - Basic and Diluted Net Income (Loss) Per Common Unit (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021
Numerator:
Net income		$ 13,706	$ 10,361
Less: Net income (loss) attributable to noncontrolling interest		2,873	(454)
Net income attributable to indie Semiconductor, Inc.		10,833	10,815
Less: Earning attributable to participating securities		0	5,372
Net income attributable to common stockholders - basic		10,833	5,443
Less: Change in fair value of SAFEs		0	19,100
Net income (loss) attributable to common shares — diluted		$ 10,833	$ (13,657)
Denominator:
Weighted average common shares outstanding - basic (in shares)	[1]	111,189,340	32,284,863
Effect of conversion of SAFEs (in shares)		0	6,933,153
Effect of potentially dilutive unexercised options (in shares)		1,346,219	0
Weighted average common shares outstanding - diluted (in shares)	[1]	147,396,772	39,218,016
Earnings Per Unit:
Net income per share attributable to common shares - basic (in dollars per share)		$ 0.10	$ 0.17
Net income (loss) per share attributable to common shares - diluted (in dollars per share)		$ 0.07	$ (0.35)
Unvested Phantom units
Denominator:
Diluted shares outstanding adjustment		1,083,749	0
Common Stock Class V
Denominator:
Diluted shares outstanding adjustment		29,386,392	0
Unvested Class B units
Denominator:
Diluted shares outstanding adjustment		4,391,072	0

[1] (1) Retroactively restated to give effect to the reverse recapitalization.