v3.26.3
Acquisitions and Licensing Agreements - Additional Information (Details)
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
May 01, 2026
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Sep. 04, 2025
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Feb. 24, 2025
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Jun. 07, 2024
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Jun. 06, 2024
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Jun. 02, 2021
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Aug. 31, 2026
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Sep. 30, 2025
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Nov. 30, 2024
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$ / shares
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Sep. 30, 2026
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Sep. 30, 2025
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Sep. 30, 2026
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Sep. 30, 2025
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Dec. 31, 2024
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Dec. 31, 2025
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shares
Business Combination [Line Items]                              
Acquisition related costs                           $ 1,000,000  
Compensation expense                   $ 16,978,000 $ 3,965,000 $ 34,031,000 $ 25,554,000    
Bargain purchase gain                   0 0 0 5,232,000    
Income tax benefit                   0 0 0 4,167,000    
Amortization expense related to finite-lived intangible assets                   1,100,000 1,000,000 3,400,000 2,300,000    
Contingent consideration milestone probability of achieving within 12 months                   $ 8,632,000   8,632,000     $ 2,500,000
Bonus shares, cash remitted to satisfy related tax obligations                       $ 113,000 0    
Preferred stock, shares issued | shares                   0   0     0
Research and development                   $ 64,359,000 49,139,000 $ 165,791,000 103,752,000    
Location, Statement of Income, Balance [Axis]: us-gaap:GeneralAndAdministrativeExpense                              
Business Combination [Line Items]                              
Compensation expense                   10,336,000 2,082,000 21,623,000 17,830,000    
Location, Statement of Income, Balance [Axis]: us-gaap:ResearchAndDevelopmentExpense                              
Business Combination [Line Items]                              
Compensation expense                   6,642,000 1,883,000 12,408,000 7,724,000    
Prolaio, Inc.                              
Business Combination [Line Items]                              
Percentage of outstanding shares acquired     100.00%                        
Purchase consideration transferred     $ 8,600,000                        
Cash consideration     4,000,000                        
Fair value of contingent milestone $ 13,700,000   4,600,000             25,600,000   25,600,000     $ 3,800,000
Acquisition related costs     800,000                        
Acquisition related costs incurred by company                           800,000  
Acquisition related costs incurred by acquiree                           200,000  
Net assets acquired     13,812,000                        
Finite-lived intangibles     25,400,000                        
Liabilities assumed     13,823,000                        
Deferred income tax liability     4,512,000                        
Assumed contingent consideration liability     $ 3,300,000                        
Bargain purchase gain                         5,200,000 5,200,000  
Income tax benefit                           4,200,000  
Incremental stock-based compensation expense related to accelerated vesting of options upon acquisition                         14,400,000 1,600,000  
Amortization expense related to finite-lived intangible assets                         600,000    
Pro forma revenue                     0   0    
Estimated number of years to recreate technology     3 years 8 months 12 days                        
Estimated number of employees to recreate technology | Employees     50                        
Discounted rate of milestones required to be achieved     10.00%                        
Milestones achieved                   0   0      
Change in fair value of contingent consideration liability                   (21,800,000) 0 21,700,000 0    
Milestone payments                       0      
Cash and cash equivalents     $ 14,000                        
Accounts payable     2,710,000                        
PhysIQ, Inc.                              
Business Combination [Line Items]                              
Fair value of contingent milestone     $ 3,300,000             4,000,000   4,000,000     3,900,000
Business combination, contingent milestone payments                   0   0      
Acquisition related costs                   0   0.1      
Discounted rate of milestones required to be achieved     10.00%                        
Contingent consideration milestone probability of achieving within 12 months                             2,500,000
RSF                              
Business Combination [Line Items]                              
Percentage of outstanding shares acquired         100.00%                    
Purchase consideration transferred         $ 14,800,000                    
Cash consideration         3,500,000                    
Business combination, contingent milestone payments                   0   0      
Milestones achieved                   0   0      
Cash and cash equivalents         200,000                    
Accounts payable         1,300,000                    
Milestone payment settled in cash               $ 1,500,000       1,500,000      
In-process research and development asset         15,900,000                    
Payment of transaction costs         700,000                    
Settlement of outstanding indebtedness         10,600,000                    
RSF | Location, Statement of Income, Balance [Axis]: us-gaap:ResearchAndDevelopmentExpense                              
Business Combination [Line Items]                              
Milestone payment obligation                     3,000,000   3,000,000    
Mr. Gianakakos | Prolaio, Inc.                              
Business Combination [Line Items]                              
Related party transaction, beneficial ownership percentage     55.70%                        
Repayment of promissory notes     $ 4,000,000                        
Mr. Gianakakos | Milestone One | Prolaio, Inc.                              
Business Combination [Line Items]                              
Milestone payments received 12,900,000                            
Mr. Gianakakos | Milestone Two | Prolaio, Inc.                              
Business Combination [Line Items]                              
Milestone payments received 31,300,000                            
Mr. Gianakakos | Milestone Three | Prolaio, Inc.                              
Business Combination [Line Items]                              
Milestone payments received 62,400,000                            
Dr. Edelberg | Prolaio, Inc.                              
Business Combination [Line Items]                              
Related party transaction, beneficial ownership percentage     17.10%                        
Dr. Edelberg | Milestone One | Prolaio, Inc.                              
Business Combination [Line Items]                              
Milestone payments received 3,600,000                            
Dr. Edelberg | Milestone Two | Prolaio, Inc.                              
Business Combination [Line Items]                              
Milestone payments received 9,800,000                            
Dr. Edelberg | Milestone Three | Prolaio, Inc.                              
Business Combination [Line Items]                              
Milestone payments received 19,500,000                            
Minimum | Prolaio, Inc.                              
Business Combination [Line Items]                              
Estimated average annual cost per employee to recreate technology     $ 100,000                        
Milestone payments 5,000,000,000                            
Minimum | Mr. Gianakakos | Prolaio, Inc.                              
Business Combination [Line Items]                              
Milestone payments 6,000,000,000                            
Minimum | Dr. Edelberg | Prolaio, Inc.                              
Business Combination [Line Items]                              
Milestone payments 12,000,000,000                            
Maximum | Prolaio, Inc.                              
Business Combination [Line Items]                              
Business combination, contingent milestone payments     200,000,000                        
Estimated average annual cost per employee to recreate technology     $ 200,000                        
Number of years milestones required to be achieved     4 years                        
Milestone payments 50,000,000                            
Maximum | PhysIQ, Inc.                              
Business Combination [Line Items]                              
Business combination, contingent milestone payments     $ 20,000,000                        
Number of years milestones required to be achieved     4 years                        
Maximum | RSF                              
Business Combination [Line Items]                              
Development and regulatory milestone payments         26,500,000                    
Sales milestones payments         $ 249,500,000                    
Maximum | Mr. Gianakakos | Prolaio, Inc.                              
Business Combination [Line Items]                              
Milestone payments 50,000,000                            
Milestone payments received 106,600,000                            
Maximum | Dr. Edelberg | Prolaio, Inc.                              
Business Combination [Line Items]                              
Milestone payments 100,000,000                            
Milestone payments received $ 32,900,000                            
Developed Technology Rights [Member] | Prolaio, Inc.                              
Business Combination [Line Items]                              
Finite-lived intangibles     $ 25,400,000                        
In Process Research and Development [Member] | Prolaio, Inc.                              
Business Combination [Line Items]                              
Finite-lived intangibles     1,100,000                        
Bonus Agreements [Member] | Prolaio, Inc.                              
Business Combination [Line Items]                              
Compensation expense                   0   0      
Bonus Agreements [Member] | Prolaio, Inc. | Location, Statement of Income, Balance [Axis]: us-gaap:GeneralAndAdministrativeExpense                              
Business Combination [Line Items]                              
Compensation expense                     0   11,700,000    
Bonus Agreements [Member] | Prolaio, Inc. | Location, Statement of Income, Balance [Axis]: us-gaap:ResearchAndDevelopmentExpense                              
Business Combination [Line Items]                              
Compensation expense                     $ 0   $ 2,600,000    
Bonus Agreements [Member] | Mr. Gianakakos | Prolaio, Inc.                              
Business Combination [Line Items]                              
Business combination, contingent bonus amount     9,000,000                        
Bonus Agreements [Member] | Dr. Edelberg | Prolaio, Inc.                              
Business Combination [Line Items]                              
Business combination, contingent bonus amount     $ 2,000,000                        
License Agreement With Sanofi [Member] | RSF                              
Business Combination [Line Items]                              
Milestones achieved                   0   0      
Milestone payments                       0      
Commercial milestone payments           $ 14,800,000                  
License Agreement With Mayo [Member] | RSF                              
Business Combination [Line Items]                              
Milestones achieved                   0   0      
Milestone payments             $ 100,000         0      
Development and regulatory milestone payments           300,000                  
Commercial milestone payments           $ 1,300,000                  
Ionis License Agreement [Member]                              
Business Combination [Line Items]                              
Milestone payments       $ 375,000,000                      
Upfront payment       20,000,000                   20,000,000  
Development and regulatory milestone payments       35,000,000                      
Sales milestones payments       $ 340,000,000                      
License Agreements with MyoKardia and BMS Co. [Member]                              
Business Combination [Line Items]                              
Milestones achieved                   $ 0   0      
Milestone payments                       $ 0      
Fair value of shares per share | $ / shares                 $ 19.1            
Fair value of shares                 $ 29,500,000            
Research and development                           $ 29,500,000  
License Agreements with MyoKardia and BMS Co. Related to Dani Agreement [Member] | Maximum                              
Business Combination [Line Items]                              
Development and regulatory milestone payments                 42,500,000            
Sales milestones payments                 265,000,000            
License Agreements with MyoKardia and BMS Co. Related to Par4 Agreement [Member]                              
Business Combination [Line Items]                              
Development and regulatory milestone payments, tranche one                 12,500,000            
Development and regulatory milestone payments, tranche two                 13,625,000            
Sales milestones payments                 265,000,000            
License Agreements with MyoKardia and BMS Co. Related to Par4 Agreement [Member] | Maximum                              
Business Combination [Line Items]                              
Development and regulatory milestone payments                 $ 10,000,000            
Series B Preferred Stock | Bonus Agreements [Member] | Prolaio, Inc.                              
Business Combination [Line Items]                              
Business combination, consideration transferred, equity interest, number of shares issued | shares   374,360                          
Business combination, consideration transferred, equity interest, value of shares issued   $ 8,000,000                          
Bonus shares, cash remitted to satisfy related tax obligations   $ 6,400,000                          
Series A Preferred Stock                              
Business Combination [Line Items]                              
Fair value of shares per share | $ / shares                 $ 19.1            
Fair value of shares                 $ 29,500,000            
Series A Preferred Stock | License Agreements with MyoKardia and BMS Co. [Member]                              
Business Combination [Line Items]                              
Preferred stock, shares issued | shares                 1,544,576            
Series A Preferred Stock | License Agreements with MyoKardia and BMS Co. Related to Dani Agreement [Member]                              
Business Combination [Line Items]                              
Preferred stock, shares issued | shares                 1,251,107            
Series A Preferred Stock | License Agreements with MyoKardia and BMS Co. Related to Par4 Agreement [Member]                              
Business Combination [Line Items]                              
Preferred stock, shares issued | shares                 293,469            
Accrued and Other Current Liabilities [Member] | RSF                              
Business Combination [Line Items]                              
Milestone payment accrued                             $ 1,500,000