Cover Page - shares	3 Months Ended
	Mar. 31, 2023	May 30, 2023
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Mar. 31, 2023
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q1
Current Fiscal Year End Date	--12-31
Entity Registrant Name	Insight Acquisition Corp. /DE
Entity Central Index Key	0001862463
Entity Incorporation, State or Country Code	DE
Entity File Number	001-40775
Entity Tax Identification Number	86-3386030
Entity Address, Address Line One	333 East 91st Street
Entity Address, City or Town	New York
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	10128
City Area Code	917
Local Phone Number	374-2922
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	true
Units, each consisting of one share of Class A Common Stock and one-half of one Redeemable Warrant [Member]
Document Information [Line Items]
Title of 12(b) Security	Units, each consisting of one share of Class A Common Stock and one-half of one Redeemable Warrant
Trading Symbol	INAQU
Security Exchange Name	NASDAQ
Warrant [Member]
Document Information [Line Items]
Title of 12(b) Security	edeemable Warrants, each whole warrant exercisable for one share of Class A Common Stock at an exercise price of $11.50
Trading Symbol	INAQW
Security Exchange Name	NASDAQ
Class A [Member]
Document Information [Line Items]
Title of 12(b) Security	Class A Common Stock, $0.0001 par value
Trading Symbol	INAQ
Security Exchange Name	NASDAQ
Entity Common Stock, Shares Outstanding		7,948,607
Class B [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		900,000