Commitments and contingencies (Details) - CHF (SFr) SFr in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Commitments and contingencies | ||
| Contractual capital commitments | SFr 52,544 | SFr 43,279 |
| Maximum | ||
| Commitments and contingencies | ||
| Contractual notice period in lease agreements | 12 months | |
| Within 1 Year | ||
| Commitments and contingencies | ||
| Contractual capital commitments | SFr 23,357 | 27,554 |
| Between 1 and 3 years | ||
| Commitments and contingencies | ||
| Contractual capital commitments | 21,865 | 11,652 |
| Between 3 and 5 years | ||
| Commitments and contingencies | ||
| Contractual capital commitments | 7,178 | 4,008 |
| More Than 5 Years | ||
| Commitments and contingencies | ||
| Contractual capital commitments | SFr 144 | SFr 65 |