| Cover | 12 Months Ended |
| Dec. 31, 2022 shares |
| Entity Addresses [Line Items] | |
| Document Type | 20-F/A |
| Document Registration Statement | false |
| Document Annual Report | true |
| Document Period End Date | Dec. 31, 2022 |
| Current Fiscal Year End Date | --12-31 |
| Document Transition Report | false |
| Document Shell Company Report | false |
| Entity File Number | 001-39084 |
| Entity Registrant Name | Innate Pharma SA |
| Entity Incorporation, State or Country Code | I0 |
| Entity Address, Address Line One | 117, Avenue de Luminy |
| Entity Address, Postal Zip Code | 13009 |
| Entity Address, City or Town | Marseille |
| Entity Address, Country | FR |
| Title of 12(b) Security | Ordinary shares, nominal value €0.05 per share |
| Trading Symbol | IPHA |
| Security Exchange Name | NASDAQ |
| Entity Common Stock, Shares Outstanding | 79,542,627 |
| Entity Well-known Seasoned Issuer | No |
| Entity Voluntary Filers | No |
| Entity Current Reporting Status | Yes |
| Entity Interactive Data Current | Yes |
| Entity Filer Category | Non-accelerated Filer |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| ICFR Auditor Attestation Flag | false |
| Document Accounting Standard | International Financial Reporting Standards |
| Entity Shell Company | false |
| Entity Central Index Key | 0001598599 |
| Amendment Flag | false |
| Document Fiscal Period Focus | FY |
| Document Fiscal Year Focus | 2022 |
| American Depository Shares, NASDAQ Stock Market | |
| Entity Addresses [Line Items] | |
| Title of 12(b) Security | American Depositary Shares, each representing one ordinary share, nominal value €0.05 per share |
| Trading Symbol | IPHA |
| Business Contact | |
| Entity Addresses [Line Items] | |
| Entity Address, Address Line One | 117 Avenue de Luminy |
| Entity Address, Postal Zip Code | 13009 |
| Entity Address, City or Town | Marseille |
| Entity Address, Country | FR |
| Contact Personnel Name | Mondher Mahjoubi, M.D. |
| City Area Code | +33 |
| Local Phone Number | 4 30 30 30 30 |
