CONSOLIDATED STATEMENT OF EQUITY - USD ($) $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Ideanomics Shareholders' equity	Ideanomics Shareholders' equity Cumulative Effect, Period of Adoption, Adjustment	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Deficit Cumulative Effect, Period of Adoption, Adjustment	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	$ (605,758)		$ 222	$ 2,341
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation	10,603		10,603			10,603
Re-acquired shares (in shares)					(53,021)
Re-acquired shares	(1)		(1)		$ (7)	6
Acquisition of subsidiaries	24,827									24,827
Common stock issuance for professional fee (in shares)					21,672
Common stock issuance for professional fee	1,458		1,458		$ 3	1,455
Common stock issued under employee Stock Incentive Plan (in shares)					1,000
Common stock issued under employee Stock Incentive Plan	66		66			66
Common stock issuance for conversions (in shares)					537,031
Common stock issuance for conversions	16,789		16,789		$ 67	16,722
Common stock issuance (in shares)					138,400
Common stock issuance	2,886		2,886		$ 17	2,869
Employee termination option repurchase	(11)		(11)			(11)
Preferred stock warrants	1,150		1,150			1,150
Accrued dividend for preferred stock	(56)		(56)			(56)
Investments from noncontroller shareholders	264									264
Share issuance pertinent to SEPA (in shares)					158,667
Share issuance pertinent to SEPA	3,315		3,315		$ 20	3,295
Deconsolidation of subsidiary	(417)									(417)
Tax withholding paid for net share settlement of equity awards	(83)		(83)			(83)
Net income (loss)	(282,084)		(260,660)				(260,660)			(21,424)
Foreign currency translation adjustments, net of nil tax	$ (7,591)		(6,326)						(6,326)	(1,265)
Ending balance (in shares) at Dec. 31, 2022	4,781,930				4,781,929
Ending balance at Dec. 31, 2022	$ 136,483	$ (332)	132,157	$ (332)	$ 597	1,004,082	(866,418)	$ (332)	(6,104)	4,326
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of changes in accounting principle	Accounting Standards Update 2016-13 [Member]
Share-based compensation	$ 5,387		5,387			5,387
Common stock issuance for professional fee (in shares)					407,781
Common stock issuance for professional fee	4,435		4,435		$ 51	4,384
Common stock issuance for conversions (in shares)					1,400,635
Common stock issuance for conversions	15,837		15,837		$ 175	15,662
Preferred stock warrants (in shares)					3,191,555
Preferred stock warrants	17,516		17,516		$ 399	17,117
Accrued dividend for preferred stock	(481)		(481)			(481)
Preferred stock warrants	(17,402)		(17,402)			(17,402)
Share issuance pertinent to SEPA (in shares)					1,053,333
Share issuance pertinent to SEPA	16,054		16,054		$ 132	15,922
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)
Warrants expiration	1,037		1,037			1,037
Common stock issuance for preferred stock conversion	0
Common stock issuance for acquisition (in shares)					1,011,372
Common stock issuance for acquisition	24,838		24,838		$ 126	24,712
RSU issued to employees (in shares)					224,800
RSU issued to employees	1,738		1,738		$ 16	1,722
Non-controlling shareholders withdraw	(263)									(263)
Common stock cancellation	(265)		(265)			(265)
Net income (loss)	(234,126)		(223,829)				(223,829)			(10,297)
Foreign currency translation adjustments, net of nil tax	$ 1,677		1,551						1,551	126
Ending balance (in shares) at Dec. 31, 2023	11,985,268				11,985,267
Ending balance at Dec. 31, 2023	$ (28,221)		$ (22,113)		$ 1,499	$ 1,071,520	$ (1,090,579)	$ (300)	$ (4,553)	$ (6,108)