Discontinued Operations - Schedule of Balance Sheet Excluding Held for Sale Businesses (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash and cash equivalents	$ 1,249	$ 2,914
Accounts receivable, net	1,037	2,107	$ 895
Inventory	19,838	29,309
Current assets of discontinued operation and businesses held for sale	5,036	33,703
Total current assets	32,599	118,020
Property and equipment, net	12,904	7,845
Intangible assets, net	23,667	43,622
Goodwill	35,894	37,775	0
Operating lease right of use assets	6,117	10,533
Other non-current assets	2,861	2,276
Non-current assets of discontinued operations	2,842	19,212
Total assets	116,884	246,783
Accounts payable and accrued expenses	64,300
Current portion of operating lease liabilities	3,222	2,031
Current liabilities of discontinued operations	7,721	14,244
Total current liabilities	117,633	80,813
Operating lease liabilities – long term	10,890	8,566
Other noncurrent liabilities	1,071	1,131
Non-current liabilities of discontinued operations	1,672	5,212
Total liabilities	137,155	100,188
Equity
Common stock	1,499	597
Additional paid-in capital	1,071,520	1,004,082
Accumulated deficit	(1,090,579)	(866,418)
Accumulated other comprehensive (income) loss	(4,553)	(6,104)
Total Ideanomics, Inc. shareholder's equity	(22,113)	132,157
Non-controlling interest	(6,108)	4,326
Total equity	(28,221)	136,483	$ 365,368
Total liabilities, convertible redeemable preferred stock and equity	116,884	246,783
Series A Preferred Stock
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Convertible redeemable preferred stock	1,262	1,262
Series B Preferred Stock
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Convertible redeemable preferred stock	1,863	8,850
Series C Preferred Stock
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Convertible redeemable preferred stock	4,825	0
Pro Forma
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash and cash equivalents	28	746
Accounts receivable, net	629	366
Inventory	2,489	4,309
Prepaid expenses and other current assets	3,148	42,505
Current assets of discontinued operation and businesses held for sale	26,302	70,095
Total current assets	32,596	118,021
Property and equipment, net	7,288	2,174
Intangible assets, net	155	151
Goodwill	0	0
Operating lease right of use assets	22	4,000
Other non-current assets	601	8,098
Non-current assets of discontinued operations	76,222	114,481
Total assets	116,884	246,925
Accounts payable and accrued expenses	49,634	18,405
Current portion of operating lease liabilities	2,415	1,264
Other current liabilities	20,256	11,457
Current liabilities of discontinued operations	45,329	49,687
Total current liabilities	117,634	80,813
Operating lease liabilities – long term	5,474	2,720
Deferred tax liabilities	938	0
Non-current contingent liabilities	0	0
Other noncurrent liabilities	229	321
Non-current liabilities of discontinued operations	12,880	16,476
Total liabilities	137,155	100,330
Equity
Common stock	1,499	597
Additional paid-in capital	1,071,520	1,004,082
Accumulated deficit	(1,090,579)	(866,418)
Accumulated other comprehensive (income) loss	(4,553)	(6,104)
Total Ideanomics, Inc. shareholder's equity	(22,113)	132,157
Non-controlling interest	(6,108)	4,326
Total equity	(28,221)	136,483
Total liabilities, convertible redeemable preferred stock and equity	116,884	246,925
Pro Forma | Series A Preferred Stock
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Convertible redeemable preferred stock	1,262	1,262
Pro Forma | Series B Preferred Stock
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Convertible redeemable preferred stock	1,863	8,850
Pro Forma | Series C Preferred Stock
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Convertible redeemable preferred stock	$ 4,825	$ 0