License, Collaboration and Service Agreements - Schedule of remaining potential milestone payments (Details) - USD ($) $ in Millions	Mar. 31, 2026	May 31, 2025
Maximum [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Sales milestone events		$ 750.0
Minimum [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Milestone payment	$ 750.0
GSK License Agreement [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Milestone payment	225.0
GSK License Agreement [Member] \| Maximum [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Milestone payment		$ 150.0
GSK License Agreement [Member] \| Minimum [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Milestone payment	1,000.0
Second Anniversary of First Commercial Sale [Member] \| UNITED STATES [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Milestone payment	25.0
Net annual sales greater than $200.0 [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Sales milestone events	200.0
Net annual sales greater than $200.0 [Member] \| GSK License Agreement [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Milestone payment	25.0
Net annual sales greater than $300.0 [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Sales milestone events	300.0
Net annual sales greater than $300.0 [Member] \| GSK License Agreement [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Milestone payment	25.0
Net annual sales greater than $400.0 [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Sales milestone events	400.0
Net annual sales greater than $400.0 [Member] \| GSK License Agreement [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Milestone payment	25.0
Net annual sales greater than $500.0 [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Sales milestone events	500.0
Net annual sales greater than $500.0 [Member] \| GSK License Agreement [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Milestone payment	50.0
Net annual sales greater than $750.0 [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Sales milestone events	750.0
Net annual sales greater than $750.0 [Member] \| GSK License Agreement [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Milestone payment	50.0
Net Sales Greater Than One Thousand Million [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Sales milestone events	1,000.0
Net Sales Greater Than One Thousand Million [Member] \| GSK License Agreement [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Milestone payment	50.0
Potential Commercial Milestone Payments \| UNITED STATES [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Milestone payment	51.0
Potential Commercial Milestone Payments \| Europe [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Milestone payment	25.0
Potential Commercial Milestone Payments \| GSK License Agreement [Member] \| Maximum [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Milestone payment	$ 101.0