Immaterial Corrections of Prior Period Condensed Consolidated Financial Statements - Statement of Operations (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Total revenue	$ 24,278			$ 26,581			$ 83,871	$ 86,647
Total cost of revenue	24,937			22,630			83,021	62,949
Gross profit	(659)			3,951			850	23,698
Selling, general and administrative expenses	37,710			37,750			113,555	74,419
Depreciation and amortization	2,271			1,779			5,838	4,548
Total operating expenses	41,210			55,863			122,879	98,639
Loss from operations	(41,869)			(51,912)			(122,029)	(74,941)
Loss on disposal of subsidiaries							0	(1,446)
Other income, net	2,574			8			4,460	507
Loss before income taxes and non-controlling interest	(38,824)			(51,495)			(105,785)	(73,354)
Income tax benefit	400			944			925	9,971
Impairment of and equity in gain (loss) of equity method investees	(429)			(1,447)			(2,357)	(2,062)
Net loss	(38,853)			(51,998)			(107,217)	(65,445)
Net loss attributable to common shareholders	(38,853)			(51,998)			(107,217)	(65,445)
Net loss attributable to non-controlling interest	1,439			187			3,525	459
Net loss attributable to Ideanomics, Inc. common shareholders	(37,414)			(51,811)			(103,692)	(64,986)
Foreign currency translation adjustments	(8,127)	$ (9,012)	$ 1,209	(951)	$ (40)	$ (693)	(15,930)	(1,683)
Comprehensive loss	(46,980)			(52,945)			(123,147)	(67,144)
Comprehensive loss (gain) attributable to non-controlling interest	3,075			273			6,756	864
Comprehensive loss attributable to Ideanomics, Inc. shareholders	(43,905)			(52,672)			(116,391)	(66,280)
Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Total revenue				27,047				87,832
Total cost of revenue				22,519				63,161
Gross profit				4,528				24,671
Selling, general and administrative expenses				28,876				53,650
Depreciation and amortization				1,682				4,445
Total operating expenses				56,063				99,545
Loss from operations				(51,535)				(74,874)
Loss on disposal of subsidiaries								(1,446)
Other income, net								689
Loss before income taxes and non-controlling interest				(51,118)				(73,287)
Income tax benefit				842				9,667
Impairment of and equity in gain (loss) of equity method investees								(1,517)
Net loss				(51,095)				(65,137)
Net loss attributable to common shareholders				(51,095)				(65,137)
Net loss attributable to non-controlling interest				244				611
Net loss attributable to Ideanomics, Inc. common shareholders				(50,851)				(64,526)
Foreign currency translation adjustments				(295)				(1,196)
Comprehensive loss				(51,386)				(66,349)
Comprehensive loss (gain) attributable to non-controlling interest				350				1,113
Comprehensive loss attributable to Ideanomics, Inc. shareholders				(51,036)				(65,236)
Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Total revenue				(466)				(1,185)
Total cost of revenue				111				(212)
Gross profit				(577)				(973)
Selling, general and administrative expenses				8,874				20,769
Depreciation and amortization				97				103
Total operating expenses				(200)				(906)
Loss from operations				(377)				(67)
Loss on disposal of subsidiaries								182
Other income, net								(182)
Loss before income taxes and non-controlling interest				(377)				(67)
Income tax benefit				102				304
Impairment of and equity in gain (loss) of equity method investees								(545)
Net loss				(903)				(308)
Net loss attributable to common shareholders				(903)				(308)
Net loss attributable to non-controlling interest				(57)				(152)
Net loss attributable to Ideanomics, Inc. common shareholders				(960)				(460)
Foreign currency translation adjustments				(656)				(487)
Comprehensive loss				(1,559)				(795)
Comprehensive loss (gain) attributable to non-controlling interest				(77)				(249)
Comprehensive loss attributable to Ideanomics, Inc. shareholders				(1,636)				(1,044)
Sale of products
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Total revenue	15,746			9,676			55,157	21,149
Total cost of revenue	18,198			9,934			58,963	20,445
Sale of products | Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Total revenue				9,977				21,934
Total cost of revenue				9,893				20,838
Sale of products | Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Total revenue				(301)				(785)
Total cost of revenue				41				(393)
Sale of services
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Total revenue	8,412			16,336			28,461	64,339
Total cost of revenue	$ 6,691			12,165			$ 23,879	41,441
Sale of services | Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Total cost of revenue				12,626				42,323
Sale of services | Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Total cost of revenue				$ (461)				$ (882)