CONDENSED CONSOLIDATED STATEMENT OF EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Cumulative effect of changes in accounting principle	Ideanomics Shareholders’ equity	Ideanomics Shareholders’ equity Cumulative effect of changes in accounting principle	Common Stock	Additional Paid-in  Capital	Treasury Stock	Retained Earnings/ Accumulated (Deficit)	Retained Earnings/ Accumulated (Deficit) Cumulative effect of changes in accounting principle	Accumulated Other Comprehensive Loss	Non- controlling Interest
Beginning balance (in shares) at Dec. 31, 2021					3,978,180
Beginning balance at Dec. 31, 2021	$ 365,368		$ 363,027		$ 497	$ 968,066	$ 0	$ (605,758)		$ 222	$ 2,341
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation	2,355		2,355			2,355
Common stock issuance for professional fee (in shares)					2,800
Common stock issuance for professional fee	435		435		$ 1	434
Tax withholding paid for net share settlement of equity awards	(83)		(83)			(83)
Common stock issued under employee stock incentive plan (in shares)					1,000
Common stock issued under employee stock incentive plan	66		66			66
Deconsolidation of subsidiary	(236)										(236)
Acquisition of subsidiaries	24,778										24,778
Net loss	(29,092)		(28,512)					(28,512)			(580)
Foreign currency translation adjustments	1,209		925							925	284
Ending balance (in shares) at Mar. 31, 2022					3,981,980
Ending balance at Mar. 31, 2022	364,800		338,213		$ 498	970,838	0	(634,270)		1,147	26,587
Beginning balance (in shares) at Dec. 31, 2021					3,978,180
Beginning balance at Dec. 31, 2021	365,368		363,027		$ 497	968,066	0	(605,758)		222	2,341
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Foreign currency translation adjustments	(15,930)
Ending balance (in shares) at Sep. 30, 2022					4,137,074
Ending balance at Sep. 30, 2022	282,636		262,775		$ 517	980,232	4,639	(709,451)		(13,162)	19,861
Beginning balance (in shares) at Dec. 31, 2021					3,978,180
Beginning balance at Dec. 31, 2021	$ 365,368		363,027		$ 497	968,066	0	(605,758)		222	2,341
Ending balance (in shares) at Dec. 31, 2022	4,786,290				4,781,930
Ending balance at Dec. 31, 2022	$ 136,451	$ (332)	132,125	$ (332)	$ 597	1,004,082		(866,450)	$ (332)	(6,104)	4,326
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accounting standards update, extensible enumeration	Accounting Standards Update 2016-13 [Member]
Beginning balance (in shares) at Mar. 31, 2022					3,981,980
Beginning balance at Mar. 31, 2022	$ 364,800		338,213		$ 498	970,838	0	(634,270)		1,147	26,587
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation	2,863		2,863			2,863
Common stock issuance for acquisition	49										49
Net loss	(39,273)		(37,767)					(37,767)			(1,506)
Foreign currency translation adjustments	(9,012)		(6,838)							(6,838)	(2,174)
Ending balance (in shares) at Jun. 30, 2022					3,981,980
Ending balance at Jun. 30, 2022	319,427		296,471		$ 498	973,701	0	(672,037)		(5,691)	22,956
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation	2,234		2,234			2,234
Common stock issuance for acquisition (in shares)					53,021
Common stock reservation for acquisition	(1)		(1)		$ (7)	(4,633)	4,639
Common stock issuance for professional fee (in shares)					8,472
Common stock issuance for professional fee	690		690		$ 1	689
Common stock issuance for preferred stock Series B conversion (in shares)					187,642
Common stock issuance for preferred stock Series B conversion	7,523		7,523		$ 23	7,500
Investments from noncontrolling shareholders	264										264
Option repurchase	(11)		(11)			(11)
Equity Adjustment from Foreign Currency Translation	(1,264)		(1,264)							(1,264)
Share issuance pertinent to SEPA (in shares)					12,000
Share issuance pertain to SEPA	754		754		$ 2	752
Net loss	(38,853)		(37,414)					(37,414)			(1,439)
Foreign currency translation adjustments	(8,127)		(6,207)							(6,207)	(1,920)
Ending balance (in shares) at Sep. 30, 2022					4,137,074
Ending balance at Sep. 30, 2022	$ 282,636		262,775		$ 517	980,232	$ 4,639	(709,451)		(13,162)	19,861
Beginning balance (in shares) at Dec. 31, 2022	4,786,290				4,781,930
Beginning balance at Dec. 31, 2022	$ 136,451	(332)	132,125	(332)	$ 597	1,004,082		(866,450)	(332)	(6,104)	4,326
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation	2,470		2,470			2,470
Dividend accrued for Preferred Stock Series B	(214)		(214)			(214)
Preferred stock series B warrants	(17,402)		(17,402)			(17,402)
Common stock issuance for acquisition (in shares)					1,011,372
Common stock issuance for acquisition	26,308		26,308		$ 126	26,182
Common stock issuance for professional fee (in shares)					234,239
Common stock issuance for professional fee	3,377		3,377		$ 29	3,348
Tax withholding paid for net share settlement of equity awards (in shares)					21,359
Tax withholding paid for net share settlement of equity awards	(354)		(354)		$ 3	(357)
Common stock issuance for preferred stock Series B conversion (in shares)					392,157
Common stock issuance for preferred stock Series B conversion	8,850		8,850		$ 49	8,801
Share issuance pertinent to SEPA (in shares)					885,733
Share issuance pertain to SEPA	15,157		15,157		$ 111	15,046
RSUs issued to employees (in shares)					4,800
RSUs issued to employees	0				$ 1	(1)
Net loss	(85,892)		(84,317)					(84,317)			(1,575)
Foreign currency translation adjustments	1,361		1,056							1,056	305
Ending balance (in shares) at Mar. 31, 2023					7,331,590
Ending balance at Mar. 31, 2023	$ 89,780		86,724		$ 916	1,041,955		(951,099)		(5,048)	3,056
Beginning balance (in shares) at Dec. 31, 2022	4,786,290				4,781,930
Beginning balance at Dec. 31, 2022	$ 136,451	$ (332)	132,125	$ (332)	$ 597	1,004,082		(866,450)	$ (332)	(6,104)	4,326
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Foreign currency translation adjustments	$ (1,138)
Ending balance (in shares) at Sep. 30, 2023	11,923,955				11,992,765
Ending balance at Sep. 30, 2023	$ 15,183		16,431		$ 1,499	1,071,219		(1,049,603)		(6,684)	(1,248)
Beginning balance (in shares) at Mar. 31, 2023					7,331,590
Beginning balance at Mar. 31, 2023	89,780		86,724		$ 916	1,041,955		(951,099)		(5,048)	3,056
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation	1,816		1,816			1,816
Dividend accrued for Preferred Stock Series B	(130)		(130)			(130)
Common stock issuance for series B preferred stock warrants exercise (in shares)					3,191,555
Common stock issuance for warrants exercise	17,516		17,516		$ 399	17,117
Warrants expiration	1,037		1,037			1,037
Common stock issuance for professional fee (in shares)					173,542
Common stock issuance for professional fee	1,058		1,058		$ 22	1,036
Common stock issuance for preferred stock Series B conversion (in shares)					280,422
Common stock issuance for preferred stock Series B conversion	3,540		3,540		$ 35	3,505
Share issuance pertinent to SEPA (in shares)					167,600
Share issuance pertain to SEPA	897		897		$ 21	876
RSUs issued to employees (in shares)					120,000
RSUs issued to employees	1,500		1,500		$ 15	1,485
Non-controlling shareholders withdraw	(263)										(263)
Net loss	(37,089)		(35,497)					(35,497)			(1,592)
Foreign currency translation adjustments	(536)		(137)							(137)	(399)
Ending balance (in shares) at Jun. 30, 2023					11,264,709
Ending balance at Jun. 30, 2023	79,126		78,324		$ 1,408	1,068,697		(986,596)		(5,185)	802
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation	720		720			720
Dividend accrued for Preferred Stock Series B	(84)		(84)			(84)
Common stock reservation for acquisition	(1,470)		(1,470)			(1,470)
Common stock issuance for preferred stock Series B conversion (in shares)					728,056
Common stock issuance for preferred stock Series B conversion	3,447		3,447		$ 91	3,356
Net loss	(64,593)		(63,007)					(63,007)			(1,586)
Foreign currency translation adjustments	$ (1,963)		(1,499)							(1,499)	(464)
Ending balance (in shares) at Sep. 30, 2023	11,923,955				11,992,765
Ending balance at Sep. 30, 2023	$ 15,183		$ 16,431		$ 1,499	$ 1,071,219		$ (1,049,603)		$ (6,684)	$ (1,248)