| Cover | Jul. 29, 2024 |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Jul. 29, 2024 |
| Entity File Number | 001-40775 |
| Entity Registrant Name | Insight Acquisition Corp. /DE |
| Entity Central Index Key | 0001862463 |
| Entity Tax Identification Number | 86-3386030 |
| Entity Incorporation, State or Country Code | DE |
| 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 | 609 |
| Local Phone Number | 751-9193 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
| Units, each consisting of one share of Class A Common Stock and one-half of one Redeemable Warrant | |
| 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 |
| Class A Common Stock, par value $0.0001 per share | |
| Title of 12(b) Security | Class A Common Stock, par value $0.0001 per share |
| Trading Symbol | INAQ |
| Security Exchange Name | NASDAQ |
| Redeemable Warrants, each whole warrant exercisable for one share of Class A Common Stock at an exercise price of $11.50 | |
| Title of 12(b) Security | Redeemable 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 |
