Earnings/(Loss) Per Share - Schedule of Earnings Per Shares, Basic and Diluted (Details) (Parenthetical) - SFr / shares |
Jun. 30, 2026 |
Dec. 31, 2025 |
Jun. 30, 2025 |
|---|---|---|---|
| Class A Common Stock [Member] | |||
| Schedule of Earnings Per Shares, Basic and Diluted [Line Items] | |||
| Par value per share (in CHF) | SFr 0.01 | SFr 0.01 | |
| Class A Common Stock [Member] | Common Stock [Member] | |||
| Schedule of Earnings Per Shares, Basic and Diluted [Line Items] | |||
| Par value per share (in CHF) | 0.01 | SFr 0.01 | |
| Class B Common Stock [Member] | |||
| Schedule of Earnings Per Shares, Basic and Diluted [Line Items] | |||
| Par value per share (in CHF) | 0.1 | SFr 0.1 | |
| Class B Common Stock [Member] | Common Stock [Member] | |||
| Schedule of Earnings Per Shares, Basic and Diluted [Line Items] | |||
| Par value per share (in CHF) | SFr 0.1 | SFr 0.1 |