| Document and Entity Information | Dec. 06, 2021 |
| Document And Entity Information [Line Items] | |
| Amendment Flag | false |
| Entity Central Index Key | 0001852736 |
| Document Type | 8-K |
| Document Period End Date | Dec. 6, 2021 |
| Entity Registrant Name | Tristar Acquisition I Corp. |
| Entity Incorporation State Country Code | E9 |
| Entity File Number | 001-40905 |
| Entity Tax Identification Number | 98-1587643 |
| Entity Address, Address Line One | 2870 Peachtree Road |
| Entity Address, Address Line Two | NW Suite 509 |
| Entity Address, City or Town | Atlanta |
| Entity Address, State or Province | GA |
| Entity Address, Postal Zip Code | 30305 |
| City Area Code | (412) |
| Local Phone Number | 327-9294 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Capital Units [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Units, each consisting of one Class A ordinary share, $0.0001 par value, and one-half of one redeemable warrant |
| Trading Symbol | TRIS.U |
| Security Exchange Name | NYSE |
| Class A Ordinary Shares 0.0001 Par Value [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Class A ordinary shares, $0.0001 par value |
| Trading Symbol | TRIS |
| Security Exchange Name | NYSE |
| Warrant [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Redeemable warrants, each full warrant exercisable for one Class A ordinary share at an exercise price of $11.50 per share |
| Trading Symbol | TRIS.WS |
| Security Exchange Name | NYSE |
