| Cover | Feb. 15, 2023 |
| Document Information [Line Items] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Feb. 15, 2023 |
| Entity File Number | 001-40119 |
| Entity Registrant Name | Ibere Pharmaceuticals |
| Entity Central Index Key | 0001835205 |
| Entity Tax Identification Number | 98-1564986 |
| Entity Incorporation, State or Country Code | E9 |
| Entity Address, Address Line One | 2005 Market Street |
| Entity Address, Address Line Two | Suite 2030 |
| Entity Address, City or Town | Philadelphia |
| Entity Address, State or Province | PA |
| Entity Address, Postal Zip Code | 19103 |
| City Area Code | (267) |
| Local Phone Number | 765-3222 |
| 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 |
| Unit [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Units, each consisting of one Class A ordinary share, $0.0001 par value, and one-half of one redeemable warrant |
| Trading Symbol | IBERU |
| Security Exchange Name | NYSE |
| Common Class A [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Class A ordinary share, $0.0001 par value |
| Trading Symbol | IBER |
| Security Exchange Name | NYSE |
| Warrant [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Warrants, each whole warrant exercisable for one Class A ordinary share for $11.50 per share |
| Trading Symbol | IBERW |
| Security Exchange Name | NYSE |
