CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT) 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, 2021											108,181,781				30,448,081
Beginning balance at Dec. 31, 2021	$ 291,857						$ 313,046				$ 11				$ 3	$ 514,891				$ (200,416)	$ (1,443)	$ (21,189)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Vesting of equity awards (in shares)											250,378
Issuance per net settlement of equity awards and cash exercise of stock options (in shares)											1,250,878
Issuance per net settlement of equity awards and cash exercise of stock options	71						(188)									(188)						259
Issuance per Exchange of Class V to Class A (in shares)											2,224,148				(2,224,148)
Issuance per Exchange of Class V to Class A	0						(2,345)									(2,345)						2,345
Issuance on earn out awards (in shares)											3,070,494				1,895,879
Issuance on earn out awards	0						872									872						(872)
Share-based compensation	10,742						10,742									10,742
Net loss	13,706						10,833													10,833		2,873
Foreign currency translation adjustment	884						863														863	21
Ending balance (in shares) at Mar. 31, 2022											114,977,679				30,119,812
Ending balance at Mar. 31, 2022	317,260						333,823				$ 11				$ 3	523,972				(189,583)	(580)	(16,563)
Beginning balance (in shares) at Dec. 31, 2021											108,181,781				30,448,081
Beginning balance at Dec. 31, 2021	291,857						313,046				$ 11				$ 3	514,891				(200,416)	(1,443)	(21,189)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issued due to acquisitions	0
Net loss	(37,030)
Ending balance (in shares) at Sep. 30, 2022											123,973,300				23,749,676
Ending balance at Sep. 30, 2022	276,349						295,327				$ 13				$ 3	544,997				(231,425)	(18,261)	(18,978)
Beginning balance (in shares) at Mar. 31, 2022											114,977,679				30,119,812
Beginning balance at Mar. 31, 2022	317,260						333,823				$ 11				$ 3	523,972				(189,583)	(580)	(16,563)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Vesting of equity awards (in shares)											136,306
Issuance per net settlement of equity awards and cash exercise of stock options (in shares)											443,160
Issuance per net settlement of equity awards and cash exercise of stock options	1						(204)									(204)						205
Issuance per Exchange of Class V to Class A (in shares)											3,737,109				(3,737,109)
Issuance per Exchange of Class V to Class A	1						(3,053)				$ 1					(3,054)						3,054
Issuance per Exchange of ADK LLC units to Class A (in shares)											29,358
Issuance on earn out awards	(5,305)						(4,235)													(4,235)		(1,070)
Share-based compensation	7,093						7,093									7,093
Foreign currency translation adjustment	(7,753)						(7,872)														(7,872)	119
Ending balance (in shares) at Jun. 30, 2022											119,323,612				26,382,703
Ending balance at Jun. 30, 2022	311,297						325,552				$ 12				$ 3	527,807				(193,818)	(8,452)	(14,255)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Vesting of equity awards (in shares)											196,630
Issuance per net settlement of equity awards and cash exercise of stock options (in shares)											275,934
Issuance per net settlement of equity awards and cash exercise of stock options	28						(615)									(615)						643
Issuance per Exchange of Class V to Class A (in shares)											2,633,027				(2,633,027)
Issuance per Exchange of Class V to Class A	1						(2,360)				$ 1					(2,361)						2,361
Issuance per Exchange of ADK LLC units to Class A (in shares)											37,205
Share-based compensation	7,893						7,893									7,893
Issuance in connection with At-The-Market equity offering (in shares)											1,506,892
Issuance in connection with At-The-Market equity offering	12,273						12,273									12,273
Net loss	(45,432)						(37,607)													(37,607)		(7,825)
Foreign currency translation adjustment	(9,711)						(9,809)														(9,809)	98
Ending balance (in shares) at Sep. 30, 2022											123,973,300				23,749,676
Ending balance at Sep. 30, 2022	276,349						295,327				$ 13				$ 3	544,997				(231,425)	(18,261)	(18,978)
Beginning balance (in shares) at Dec. 31, 2022					126,824,465	21,381,476					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 Class V 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					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					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 Class V 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		$ 0		$ 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					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)