CONSOLIDATED STATEMENT OF EQUITY - USD ($) $ in Thousands		Total	Warrants	Ideanomics Shareholders' equity	Ideanomics Shareholders' equity Warrants	Common Stock	Common Stock Warrants	Preferred Stock	Additional Paid-in Capital	Additional Paid-in Capital Warrants	Treasury Stock	Accumulated Deficit	Accumulated Other Comprehensive Loss	Non-controlling Interest	[1]
Beginning balance (in shares) at Dec. 31, 2019						149,692,953
Beginning balance (in shares) at Dec. 31, 2019								0
Beginning balance at Dec. 31, 2019		$ 58,737		$ 33,559		$ 150		$ 0	$ 282,556		$ 0	$ (248,483)	$ (664)	$ 25,178
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation		11,972		11,972					11,972
Non-controlling shareholder contribution		100												100
Common stock issuance for professional fees (in shares)						1,804,033
Common stock issuance for professional fees		1,642		1,642		$ 2			1,640
Common stock issuance for convertible notes (in shares)						40,662,420	8,995,906
Common stock issuance for convertible notes		45,666	$ 7,215	45,666	$ 7,215	$ 40	$ 9		45,626	$ 7,206
Common stock issuance for acquisitions, investments, and assets (in shares)						13,056,055
Common stock issuance for acquisitions, investments, and assets		8,192		8,192		$ 13			8,179
Measurement period adjustment		(11,584)												(11,584)
Common stock issued to settle debt (in shares)						4,577,876
Common stock issued to settle debt		2,314		2,314		$ 5			2,309
Common stock issued under employee stock incentive plan (in shares)						2,634,666
Common stock issued under employee stock incentive plan		1,726		1,726		$ 3			1,723
Extinguishment of convertible note		(12,000)		(12,000)					(12,000)
Common stock issuance (in shares)						123,437,386
Common stock issuance		182,498		182,778		$ 123			182,655					(280)
Net loss	[2]	(112,202)		(101,264)								(101,264)		(10,938)
Foreign currency translation adjustments, net of nil tax		3,158		1,895									1,895	1,263
Ending balance (in shares) at Dec. 31, 2020						344,861,295
Ending balance (in shares) at Dec. 31, 2020								0
Ending balance at Dec. 31, 2020		187,434		183,695		$ 345		$ 0	531,866		0	(349,747)	1,231	3,739
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Foreign currency translation adjustments, tax		0
Share-based compensation		21,982		21,982					21,982
Contingent Shares		1,520		1,520					1,520
Non-controlling shareholder contribution		157												157
Common stock issuance for professional fees (in shares)						962,689
Common stock issuance for professional fees		2,318		2,318					2,318
Common stock issuance for convertible notes (in shares)						55,278,885
Common stock issuance for convertible notes		157,766		157,766		$ 55			157,711
Common stock issuance for acquisitions, investments, and assets (in shares)						18,926,413
Common stock issuance for acquisitions, investments, and assets		59,808		59,808		$ 19			59,789
Common stock issued under employee stock incentive plan (in shares)						10,559,084
Common stock issued under employee stock incentive plan		8,290		8,290		$ 11			8,279
Common stock issuance (in shares)						68,293,722
Common stock issuance		188,546		188,546		$ 69			188,477
Changes in available-for-sale securities fair value		0
Tax withholding paid for net share settlement of equity awards (in shares)						(1,609,563)
Tax withholding paid for net share settlement of equity awards		(3,878)		(3,878)		$ (2)			(3,876)
Net loss		(257,190)		(256,011)								(256,011)		(1,179)
Foreign currency translation adjustments, net of nil tax		$ (1,385)		(1,009)									(1,009)	(376)
Ending balance (in shares) at Dec. 31, 2021		497,272,525				497,272,575
Ending balance (in shares) at Dec. 31, 2021								0
Ending balance at Dec. 31, 2021		$ 365,368		363,027		$ 497		$ 0	968,066			(605,758)	222	2,341
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Foreign currency translation adjustments, tax		0
Share-based compensation		10,603		10,603					10,603
Re-acquired shares (in shares)						(6,627,565)
Re-acquired shares		(1)		(1)		$ (7)			6
Non-controlling shareholder contribution		$ 24,827												24,827
Common stock issuance for professional fees (in shares)		400,000				2,709,006
Common stock issuance for professional fees		$ 1,458		1,458		$ 3			1,455
Common stock issuance for convertible notes (in shares)						67,128,922
Common stock issuance for convertible notes		16,789		16,789		$ 67			16,722
Common stock issued under employee stock incentive plan (in shares)						125,000
Common stock issued under employee stock incentive plan		66		66					66
Common stock issuance (in shares)						17,300,000
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)						19,833,333
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 loss		(282,116)		(260,692)								(260,692)		(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		598,286,221				597,741,271
Ending balance (in shares) at Dec. 31, 2022								0
Ending balance at Dec. 31, 2022		$ 136,451		$ 132,125		$ 597		$ 0	$ 1,004,082		$ 0	$ (866,450)	$ (6,104)	$ 4,326
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Foreign currency translation adjustments, tax		$ 0

[1] Excludes accretion of dividend for redeemable non-controlling interest

[2] Excludes deemed dividend related to warrant repricing