Collaborative and Other Relationships - Co-promotion Profit Sharing Formula (Details) - RITUXAN	Dec. 31, 2020
Co-promotion profit sharing formula
Until GAZYVA First Non-CLL FDA Approval	40.00%
After First GA101 Threshold Date
After GAZYVA First Non-CLL FDA Approval until First GAZYVA Threshold Date	39.00%
After First GAZYVA Threshold Date until Second GAZYVA Threshold Date	37.50%
After Second GAZYVA Threshold Date	35.00%