v3.26.1
Recent Transactions and Developments (Details)
$ in Thousands
3 Months Ended
Jul. 08, 2026
USD ($)
Mar. 03, 2026
USD ($)
patent
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Mar. 31, 2026
USD ($)
Discontinued Operations [Line Items]          
Litigation settlement, contingent payment receivable   $ 1,300,000      
Litigation settlement, number of patents | patent   4      
Litigation settlement receivable     $ 771,627   $ 770,235
Gain on litigation settlement     392 $ 0  
Subsequent Event          
Discontinued Operations [Line Items]          
Litigation settlement, amount awarded from other party $ 950,000        
Litigation settlement, fixed payment receivable $ 771,600        
Genevant Sciences GmbH          
Discontinued Operations [Line Items]          
Litigation settlement, fixed payment, percentage   80.00%      
Investment in Arbutus common shares          
Discontinued Operations [Line Items]          
Litigation settlement, fixed payment, percentage   20.00%      
Genevant Sciences Ltd.          
Discontinued Operations [Line Items]          
Litigation settlement receivable     $ 1,000    
Genevant Sciences Ltd. | RSL          
Discontinued Operations [Line Items]          
Ownership of shares, percentage     83.00%    
Genevant Sciences Ltd. | Investment in Arbutus common shares          
Discontinued Operations [Line Items]          
Ownership of shares, percentage     16.00%