Cover - shares	3 Months Ended
	Mar. 31, 2024	May 20, 2024
Document Information Line Items
Entity Registrant Name	TRISTAR ACQUISITION I CORP.
Entity Central Index Key	0001852736
Document Type	10-Q
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Small Business	true
Entity Shell Company	true
Entity Emerging Growth Company	true
Entity Current Reporting Status	Yes
Document Period End Date	Mar. 31, 2024
Entity Filer Category	Non-accelerated Filer
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2024
Entity Ex Transition Period	false
Entity File Number	001-40905
Entity Incorporation State Country Code	E9
Entity Tax Identification Number	98-1587643
Entity Address Address Line 1	2 Burlington Woods Drive
Entity Address Address Line 2	Suite 100
Entity Address City Or Town	Burlington
Entity Address State Or Province	MA
Entity Address Postal Zip Code	01803
City Area Code	781
Local Phone Number	640-4446
Document Quarterly Report	true
Document Transition Report	false
Entity Interactive Data Current	Yes
Ordinary Shares And Warrants
Document Information Line Items
Security 12b Title	Units, each consisting of one Class A Ordinary Share and one-half of one redeemable Warrant
Trading Symbol	TRIS.U
Security Exchange Name	NYSE
Class A Ordinary Shares [Member]
Document Information Line Items
Entity Common Stock Shares Outstanding		10,608,802
Security 12b Title	Class A Ordinary Shares par value $0.0001 per share
Trading Symbol	TRIS
Security Exchange Name	NYSE
Warrants Exercisable And Ordinary Shares
Document Information Line Items
Security 12b Title	Warrants, each exercisable for one Class A Ordinary Share for $11.50 per share
Trading Symbol	TRIS.WS
Security Exchange Name	NYSE
Class B Ordinary Shares [Member]
Document Information Line Items
Entity Common Stock Shares Outstanding		5,750,000