v3.26.1
Commitments and Contingencies - Additional Information (Details) - USD ($)
1 Months Ended
Dec. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Loss Contingencies [Line Items]      
Accrued liabilities $ 0 $ 0 $ 0
PureTech LYT Inc. | Seaport Glyph Product      
Loss Contingencies [Line Items]      
Milestone payments $ 10,000,000    
PureTech LYT Inc. | Seaport Glyph Product | Scenario One      
Loss Contingencies [Line Items]      
Royalties payment percentage 3.00%    
PureTech LYT Inc. | Seaport Glyph Product | Scenario Two      
Loss Contingencies [Line Items]      
Royalties payment percentage 3.50%    
PureTech LYT Inc. | Seaport Glyph Product | Scenario Three      
Loss Contingencies [Line Items]      
Royalties payment percentage 4.00%    
PureTech LYT Inc. | Seaport Glyph Product | Scenario Four      
Loss Contingencies [Line Items]      
Royalties payment percentage 4.50%    
PureTech LYT Inc. | Seaport Glyph Product | Scenario Five      
Loss Contingencies [Line Items]      
Royalties payment percentage 5.00%    
PureTech LYT Inc. | Seaport Glyph Product | Minimum      
Loss Contingencies [Line Items]      
Royalties payment percentage 3.00%    
PureTech LYT Inc. | Seaport Glyph Product | Minimum | Scenario Two      
Loss Contingencies [Line Items]      
Net sales $ 500,000,000    
PureTech LYT Inc. | Seaport Glyph Product | Minimum | Scenario Three      
Loss Contingencies [Line Items]      
Net sales 1,000,000,000    
PureTech LYT Inc. | Seaport Glyph Product | Minimum | Scenario Four      
Loss Contingencies [Line Items]      
Net sales 2,500,000,000    
PureTech LYT Inc. | Seaport Glyph Product | Minimum | Scenario Five      
Loss Contingencies [Line Items]      
Net sales $ 3,500,000,000    
PureTech LYT Inc. | Seaport Glyph Product | Maximum      
Loss Contingencies [Line Items]      
Royalties payment percentage 5.00%    
PureTech LYT Inc. | Seaport Glyph Product | Maximum | Scenario One      
Loss Contingencies [Line Items]      
Net sales $ 500,000,000    
PureTech LYT Inc. | Seaport Glyph Product | Maximum | Scenario Two      
Loss Contingencies [Line Items]      
Net sales 1,000,000,000    
PureTech LYT Inc. | Seaport Glyph Product | Maximum | Scenario Three      
Loss Contingencies [Line Items]      
Net sales 2,500,000,000    
PureTech LYT Inc. | Seaport Glyph Product | Maximum | Scenario Four      
Loss Contingencies [Line Items]      
Net sales 3,500,000,000    
PureTech LYT Inc. | Seaport Glyph Product | UNITED STATES      
Loss Contingencies [Line Items]      
Milestone payments 4,000,000    
Additional milestone payments 2,000,000    
PureTech LYT Inc. | Seaport Glyph Product | EUROPE      
Loss Contingencies [Line Items]      
Milestone payments 2,000,000    
Additional milestone payments 1,000,000    
PureTech LYT Inc. | Seaport Glyph Product | JAPAN      
Loss Contingencies [Line Items]      
Milestone payments 2,000,000    
Additional milestone payments 1,000,000    
PureTech LYT Inc. | Seaport Glyph Product | First Patient Dosed in First Phase 3 Clinical Trial      
Loss Contingencies [Line Items]      
Milestone payments 2,000,000    
Additional milestone payments $ 1,000,000    
PureTech LYT Inc. | Common Stock      
Loss Contingencies [Line Items]      
Shares issued as part of the consideration for the assets 302,161    
PureTech LYT Inc. | Series A-1 Convertible Preferred Stock | Preferred Stock      
Loss Contingencies [Line Items]      
Shares issued as part of the consideration for the assets 40,000,000