Significant Accounting Policies - Revenue recognition (Details) |
12 Months Ended |
|---|---|
Dec. 31, 2025 | |
| Minimum | |
| Revenue recognition | |
| Refund settlement period from point of sale | 30 days |
| Other discounts, settlement period | 90 days |
| Maximum | |
| Revenue recognition | |
| Refund settlement period from point of sale | 45 days |
| Other discounts, settlement period | 180 days |