Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net loss	$ (732,673)	$ (177,870)	$ (84,883)
Other comprehensive income (loss):
Foreign currency translation adjustment	378	401	(208)
Comprehensive loss	(732,295)	(177,469)	(85,091)
Less: Comprehensive loss attributable to noncontrolling interests	0	0	(33)
Comprehensive loss attributable to TuSimple	$ (732,295)	$ (177,469)	$ (85,058)