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	Accumulated Deficit	Accumulated Deficit Cumulative effect of changes in accounting principle	Accumulated Other Comprehensive Loss	Non- controlling Interest
Beginning balance (in shares) at Dec. 31, 2021					497,272,525
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	2,355		2,355			2,355
Common stock issuance for professional fee (in shares)					350,000
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)					125,000
Common stock issued under employee stock incentive plan	66		66			66
Deconsolidation of subsidiary	(236)									(236)
Acquisition of subsidiary	24,778									24,778
Net loss	(29,092)		(28,512)				(28,512)			(580)
Foreign currency translation adjustments, net of nil tax	1,209		925						925	284
Ending balance (in shares) at Mar. 31, 2022					497,747,525
Ending balance at Mar. 31, 2022	364,800		338,213		$ 498	970,838	(634,270)		1,147	26,587
Beginning balance (in shares) at Dec. 31, 2021					497,272,525
Beginning balance at Dec. 31, 2021	365,368		363,027		$ 497	968,066	(605,758)		222	2,341
Ending balance (in shares) at Dec. 31, 2022					597,741,271
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]
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)					126,421,525
Common stock issuance for acquisition	26,308		26,308		$ 126	26,182
Common stock issuance for professional fee (in shares)					29,279,870
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)					2,669,850
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)					49,019,608
Common stock issuance for preferred stock Series B conversion	8,850		8,850		$ 49	8,801
Share issuance pertinent to SEPA (in shares)					110,716,667
Share issuance pertinent to SEPA	15,157		15,157		$ 111	15,046
RSUs issued to employees (in shares)					600,000
RSUs issued to employees	0				$ 1	(1)
Net loss	(85,892)		(84,317)				(84,317)			(1,575)
Foreign currency translation adjustments, net of nil tax	1,361		1,056						1,056	305
Ending balance at Mar. 31, 2023	$ 89,780		$ 86,724		$ 916	$ 1,041,955	$ (951,099)		$ (5,048)	$ 3,056