v3.26.1
Income Taxes - Summary of NOL and Tax Credit Carryforwards (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
USD ($)
Research and Development | California  
Deferred Tax Assets Tax Credit Carryforwards [Line Items]  
Tax credits, Carryforwards $ 6,806
Tax credits, Expiration Years Indefinite
Research and Development | Massachusetts  
Deferred Tax Assets Tax Credit Carryforwards [Line Items]  
Tax credits, Carryforwards $ 1,586
Tax credits, Expiration Years 2034 thru 2040
Federal (Post-December 31, 2017) [Member]  
Deferred Tax Assets Tax Credit Carryforwards [Line Items]  
NOLs, Carryforwards $ 592,856
NOLs, Expiration Years Indefinite
Federal (Pre-January 1, 2018) [Member]  
Deferred Tax Assets Tax Credit Carryforwards [Line Items]  
NOLs, Carryforwards $ 40,370
NOLs, Expiration Years 2034 through 2036
State  
Deferred Tax Assets Tax Credit Carryforwards [Line Items]  
NOLs, Carryforwards $ 543,402
NOLs, Expiration Years 2034 thru 2045
Federal | Research and Development  
Deferred Tax Assets Tax Credit Carryforwards [Line Items]  
Tax credits, Carryforwards $ 33,679
Tax credits, Expiration Years 2034 thru 2045