| Cover | Nov. 05, 2023 |
| Document Information [Line Items] | |
| Document Type | 8-K |
| Document Period End Date | Nov. 05, 2023 |
| Entity Registrant Name | MOONLAKE IMMUNOTHERAPEUTICS |
| Entity Incorporation, State or Country Code | E9 |
| Entity File Number | 001-39630 |
| Entity Tax Identification Number | 98-1711963 |
| Entity Address, Address Line One | Dorfstrasse 29 |
| Entity Address, City or Town | Zug |
| Entity Address, Country | CH |
| Entity Address, Postal Zip Code | 6300 |
| City Area Code | 41 |
| Local Phone Number | 415108022 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Class A ordinary share, par value $0.0001 per share |
| Trading Symbol | MLTX |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Entity Central Index Key | 0001821586 |
| Amendment Flag | false |
