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Commitments and Contingencies - Additional Information (Details)
$ in Thousands
1 Months Ended 3 Months Ended
Nov. 30, 2024
USD ($)
ft²
Mar. 31, 2023
USD ($)
ft²
Mar. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Oct. 31, 2024
USD ($)
Jul. 31, 2024
ft²
Nov. 30, 2021
ft²
Apr. 30, 2020
ft²
Jan. 31, 2015
ft²
Lessee Lease Description [Line Items]                  
Operating lease right-of-use asset     $ 115,777 $ 117,534          
Operating lease liability     $ 134,342 $ 135,843          
Operating lease, weighted average discount rate     7.65%            
Operating lease, weighted average remaining lease term     10 years 9 months 18 days 11 years          
Redwood City Lease                  
Lessee Lease Description [Line Items]                  
Area of space leased | ft²             41,000    
Tenant improvement allowance     $ 16,300            
Redwood City Lease | ASC 842                  
Lessee Lease Description [Line Items]                  
Operating lease liability $ 26,300                
Redwood City Lease | Restricted Cash                  
Lessee Lease Description [Line Items]                  
Letter of credit     $ 3,700 $ 3,700          
Redwood City Lease | The 300 Building                  
Lessee Lease Description [Line Items]                  
Area of space leased | ft²               19,000  
Redwood City Lease | The 500 Building                  
Lessee Lease Description [Line Items]                  
Area of space leased | ft²           43,000      
Redwood City Lease | The 500 Building | ASC 842                  
Lessee Lease Description [Line Items]                  
Operating lease right-of-use asset         $ 18,200        
Operating lease liability         21,800        
Lease incentive receivables         $ 3,600        
Redwood City Lease | The 600 Building                  
Lessee Lease Description [Line Items]                  
Area of space leased | ft² 46,961                
Lessee, operating lease, option to extend The Company has the option to extend the lease for the Buildings for an additional ten years after December 31, 2035                
Lessee, operating lease option to extend lease term 10 years                
Redwood City Lease | The 600 Building | Sublease Agreement                  
Lessee Lease Description [Line Items]                  
Area of space leased | ft² 23,481                
Lessee, operating lease, option to extend     The term of the sublease is through October 2027, with no options to extend.            
Redwood City Lease | The 700 Building                  
Lessee Lease Description [Line Items]                  
Area of space leased | ft²                 42,000
Redwood City Lease | The 900 Building                  
Lessee Lease Description [Line Items]                  
Area of space leased | ft²   40,000              
Redwood City Lease | The 900 Building | ASC 842                  
Lessee Lease Description [Line Items]                  
Operating lease right-of-use asset   $ 25,000              
Operating lease liability   25,000              
Redwood City Lease | The 700 Building, 300 Building and 800 Building | ASC 842                  
Lessee Lease Description [Line Items]                  
Increase in operating lease right-of-use asset   300              
Increase in operating lease liabilities   $ 300