Commitments and Contingencies - Narrative (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||||
|---|---|---|---|---|---|---|
Jul. 24, 2026 |
Mar. 31, 2022 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Commitments And Contingencies Disclosure [Line Items] | ||||||
| Operating lease, discount rate (as a percent) | 13.00% | 13.00% | ||||
| Operating lease, remaining term | 1 year 3 months 18 days | 1 year 3 months 18 days | ||||
| Rent expense | $ 0.2 | $ 0.1 | $ 0.3 | $ 0.3 | ||
| Cash payments related to operating lease | 0.2 | $ 0.2 | $ 0.3 | $ 0.3 | ||
| Loss related to arbitration | $ 1.0 | |||||
| Subsequent Event | ||||||
| Commitments And Contingencies Disclosure [Line Items] | ||||||
| Litigation settlement, fee expense | $ 0.7 | |||||
| Administrative fees | $ 0.3 | |||||
| GenFleet Therapeutics (Shanghai) Inc | ||||||
| Commitments And Contingencies Disclosure [Line Items] | ||||||
| Upfront fee | $ 10.0 | |||||
| Eligible payment from collaboration for development and regulatory milestone achievement under collaborations agreement | 48.0 | |||||
| Maximum amount eligible for milestones under collaborations agreement | $ 92.0 | |||||