Immaterial Corrections of Prior Period Financial Statements - Stmt of Comprehensive Loss (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net loss	$ (234,126)	$ (282,085)
Comprehensive loss	(232,449)	(289,676)
Comprehensive loss attributable to Ideanomics, Inc. shareholders	$ (222,278)	(266,987)
Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net loss		(282,117)
Comprehensive loss		(289,708)
Comprehensive loss attributable to Ideanomics, Inc. shareholders		(267,019)
Adjustments
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net loss		32
Comprehensive loss		32
Comprehensive loss attributable to Ideanomics, Inc. shareholders		$ 32