CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY AND NONCONTROLLING INTEREST - USD ($) $ in Thousands	Total	GEO	Silicon Radar	Exalos	Common Stock Class A	Common Stock Class V	Total Stockholders' Equity Attributable to indie Semiconductor, Inc.	Total Stockholders' Equity Attributable to indie Semiconductor, Inc. GEO	Total Stockholders' Equity Attributable to indie Semiconductor, Inc. Silicon Radar	Total Stockholders' Equity Attributable to indie Semiconductor, Inc. Exalos	Common Stock Common Stock Class A	Common Stock Common Stock Class A GEO	Common Stock Common Stock Class A Silicon Radar	Common Stock Common Stock Class A Exalos	Common Stock Common Stock Class V	Additional Paid-in Capital	Additional Paid-in Capital GEO	Additional Paid-in Capital Silicon Radar	Additional Paid-in Capital Exalos	Accumulated Deficit	Accumulated Other Comprehensive Loss	Noncontrolling Interest	Noncontrolling Interest GEO	Noncontrolling Interest Silicon Radar	Noncontrolling Interest Exalos
Beginning balance (in shares) at Dec. 31, 2022											126,824,465				21,381,476
Beginning balance at Dec. 31, 2022	$ 314,332						$ 312,812				$ 13				$ 2	$ 568,564				$ (243,816)	$ (11,951)	$ 1,520
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Vesting of equity awards (in shares)											95,160
Issuance per net settlement of equity awards and cash exercise of stock options (in shares)											836,984
Issuance per net settlement of equity awards and cash exercise of stock options	19						(148)									(148)						167
Issuance per Exchange of unit to Class A (in shares)											1,551,531				(1,551,531)
Issuance per Exchange of Class V to Class A	0						(2,653)									(2,653)						2,653
Issuance per Exchange of ADK LLC units to Class A (in shares)											74,817
Share-based compensation	8,372						8,372									8,372
Issuance in connection with At-The-Market equity offering (in shares)											3,316,198
Issuance in connection with At-The-Market equity offering	34,194						34,194									34,194
Stock issued due to acquisitions (in shares)												6,868,768	982,445
Stock issued due to acquisitions		$ 75,557	$ 9,834					$ 74,177	$ 9,585			$ 1					$ 74,176	$ 9,585					$ 1,380	$ 249
Net loss	(81,966)						(72,746)													(72,746)		(9,220)
Foreign currency translation adjustment	(2,205)						(1,500)														(1,500)	(705)
Ending balance (in shares) at Mar. 31, 2023											140,550,368				19,829,945
Ending balance at Mar. 31, 2023	358,137						362,093				$ 14				$ 2	692,090				(316,562)	(13,451)	(3,956)
Beginning balance (in shares) at Dec. 31, 2022											126,824,465				21,381,476
Beginning balance at Dec. 31, 2022	314,332						312,812				$ 13				$ 2	568,564				(243,816)	(11,951)	1,520
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issued due to acquisitions	23,479
Net loss	(114,206)
Ending balance (in shares) at Sep. 30, 2023											153,516,074				18,994,332
Ending balance at Sep. 30, 2023	412,842						413,515				$ 15				$ 2	780,627				(346,786)	(20,343)	(673)
Beginning balance (in shares) at Mar. 31, 2023											140,550,368				19,829,945
Beginning balance at Mar. 31, 2023	358,137						362,093				$ 14				$ 2	692,090				(316,562)	(13,451)	(3,956)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Vesting of equity awards (in shares)											87,542
Issuance per net settlement of equity awards and cash exercise of stock options (in shares)											1,773,903
Issuance per net settlement of equity awards and cash exercise of stock options	6,769						6,187									6,187						582
Issuance in connection with achievement of certain contingent consideration (in shares)											73,311
Issuance in connection with achievement of certain contingent consideration	608						608									608
Issuance per Exchange of unit to Class A (in shares)											835,613				(835,613)
Issuance per Exchange of Class V to Class A	0						(1,500)									(1,500)						1,500
Issuance per Exchange of ADK LLC units to Class A (in shares)											13,032
Share-based compensation	10,272						10,272									10,272
Issuance in connection with At-The-Market equity offering (in shares)											1,903,302
Issuance in connection with At-The-Market equity offering	17,804						17,804									17,804
Net loss	(13,563)						(13,127)													(13,127)		(436)
Foreign currency translation adjustment	5,172						3,938														3,938	1,234
Ending balance (in shares) at Jun. 30, 2023											145,237,071				18,994,332
Ending balance at Jun. 30, 2023	385,199						386,275				$ 14				$ 2	725,461				(329,689)	(9,513)	(1,076)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Vesting of equity awards (in shares)											489,118
Issuance per net settlement of equity awards and cash exercise of stock options (in shares)											807,415
Issuance per net settlement of equity awards and cash exercise of stock options	0						(383)									(383)						383
Issuance per Exchange of ADK LLC units to Class A (in shares)											77,318
Issuance per Exchange of ADK LLC units to Class A	0						(6)									(6)						6
Share-based compensation	11,577						11,577									11,577
Stock issued due to acquisitions (in shares)												291,366		6,613,786
Stock issued due to acquisitions		$ 2,651		$ 42,791				$ 2,522		$ 41,457				$ 1			$ 2,522		$ 41,456				$ 129		$ 1,334
Net loss	(18,677)						(17,097)													(17,097)		(1,580)
Foreign currency translation adjustment	(10,699)						(10,830)														(10,830)	131
Ending balance (in shares) at Sep. 30, 2023											153,516,074				18,994,332
Ending balance at Sep. 30, 2023	412,842						413,515				$ 15				$ 2	780,627				(346,786)	(20,343)	(673)
Beginning balance (in shares) at Dec. 31, 2023					163,193,278	18,694,332					163,193,278				18,694,332
Beginning balance at Dec. 31, 2023	477,025						446,149				$ 16				$ 2	813,742				(361,441)	(6,170)	30,876
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Vesting of equity awards (in shares)											26,931
Issuance per net settlement of equity awards and cash exercise of stock options (in shares)											2,166,146
Issuance per net settlement of equity awards and cash exercise of stock options	677						473									473						204
Issuance per Exchange of unit to Class A (in shares)											100,000				(100,000)
Issuance per Exchange of ADK LLC units to Class A (in shares)											30,516
Share-based compensation	18,608						18,608									18,608
Issuance per settlement of contingent considerations (in shares)											62,562
Issuance per settlement of contingent considerations	548						500									500						48
Shares issued for Investment in Expedera (in shares)											525,000
Shares issued for Investment in Expedera	3,385						2,964				$ 1					2,963						421
Net loss	(34,223)						(31,179)													(31,179)		(3,044)
Foreign currency translation adjustment	(4,549)						(4,638)														(4,638)	89
Ending balance (in shares) at Mar. 31, 2024											166,104,433				18,594,332
Ending balance at Mar. 31, 2024	461,471						432,877				$ 17				$ 2	836,286				(392,620)	(10,808)	28,594
Beginning balance (in shares) at Dec. 31, 2023					163,193,278	18,694,332					163,193,278				18,694,332
Beginning balance at Dec. 31, 2023	477,025						446,149				$ 16				$ 2	813,742				(361,441)	(6,170)	30,876
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issued due to acquisitions	0
Net loss	(109,818)
Ending balance (in shares) at Sep. 30, 2024					181,427,420	18,044,332					181,427,420				18,044,332
Ending balance at Sep. 30, 2024	488,803						458,564				$ 18				$ 2	928,552				(461,462)	(8,546)	30,239
Beginning balance (in shares) at Mar. 31, 2024											166,104,433				18,594,332
Beginning balance at Mar. 31, 2024	461,471						432,877				$ 17				$ 2	836,286				(392,620)	(10,808)	28,594
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Vesting of equity awards (in shares)											26,064
Issuance per net settlement of equity awards and cash exercise of stock options (in shares)											2,317,279
Issuance per net settlement of equity awards and cash exercise of stock options	3,118						2,916									2,916						202
Issuance per Exchange of unit to Class A (in shares)											550,000				(550,000)
Share-based compensation	13,293						13,293									13,293
Issuance in connection with At-The-Market equity offering (in shares)											345,052
Issuance in connection with At-The-Market equity offering	2,318						2,157									2,157						161
Issuance per settlement of contingent considerations (in shares)											7,200,091
Issuance per settlement of contingent considerations	46,664						41,569				$ 1					41,568						5,095
Net loss	(21,000)						(19,160)													(19,160)		(1,840)
Foreign currency translation adjustment	(3,231)						(2,942)														(2,942)	(289)
Ending balance (in shares) at Jun. 30, 2024											176,542,919				18,044,332
Ending balance at Jun. 30, 2024	502,633						470,710				$ 18				$ 2	896,220				(411,780)	(13,750)	31,923
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Vesting of equity awards (in shares)											8,688
Issuance per net settlement of equity awards and cash exercise of stock options (in shares)											2,506,611
Issuance per net settlement of equity awards and cash exercise of stock options	28						(205)									(205)						233
Issuance per Exchange of unit to Class A (in shares)											61,279
Share-based compensation	20,413						20,413									20,413
Issuance in connection with At-The-Market equity offering (in shares)											1,696,948
Issuance in connection with At-The-Market equity offering	10,916						9,811									9,811						1,105
Issuance per settlement of contingent considerations (in shares)											610,975
Issuance per settlement of contingent considerations	2,548						2,313									2,313						235
Net loss	(54,595)						(49,682)													(49,682)		(4,913)
Foreign currency translation adjustment	6,860						5,204														5,204	1,656
Ending balance (in shares) at Sep. 30, 2024					181,427,420	18,044,332					181,427,420				18,044,332
Ending balance at Sep. 30, 2024	$ 488,803						$ 458,564				$ 18				$ 2	$ 928,552				$ (461,462)	$ (8,546)	$ 30,239