| Document and Entity Information | Nov. 17, 2022 |
| Cover [Abstract] | |
| Amendment Flag | true |
| Entity Central Index Key | 0001823593 |
| Document Type | 8-K/A |
| Document Period End Date | Nov. 17, 2022 |
| Entity Registrant Name | TuSimple Holdings Inc. |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-40326 |
| Entity Tax Identification Number | 86-2341575 |
| Entity Address, Address Line One | 9191 Towne Centre Drive |
| Entity Address, Address Line Two | Suite 600 |
| Entity Address, City or Town | San Diego |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 92122 |
| City Area Code | (619) |
| Local Phone Number | 916-3144 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Class A Common Stock, par value $0.0001 per share |
| Trading Symbol | TSP |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Amendment Description | TuSimple Holdings Inc. (the “Company”) is filing this Current Report on Form 8-K/A to amend its Current Report on Form 8-K filed with the Securities and Exchange Commission (the “SEC”) on November 21, 2022 (the “Original Form 8-K”), in which the Company disclosed that KPMG LLP (“KPMG”) resigned as the Company’s principal accountants. The Company provided KPMG with a copy of the Original Form 8-K prior to the time the Original Form 8-K was filed with the SEC and requested that KPMG furnish the Company with a letter addressed to the SEC, stating whether it agrees with the statements made by the Company in response to Item 304(a) of Regulation S-K in the Original Form 8-K and, if not, stating the respects in which it does not agree. The Company is filing this Current Report on Form 8-K/A to amend its Original Form 8-K by filing KPMG’s letter to the SEC. A copy of KPMG’s letter to the SEC, dated November 22, 2022, is attached as Exhibit 16.1 to this Current Report on Form 8-K/A and is incorporated by reference herein. |
