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Leases (Details)
 3 Months Ended 9 Months Ended
Sep. 29, 2023
USD ($)
ft²
Aug. 07, 2023
USD ($)
ft²
Sep. 30, 2023
USD ($)
ft²
item
lease
Sep. 30, 2022
USD ($)
Sep. 30, 2023
USD ($)
ft²
item
lease
Sep. 30, 2022
USD ($)
Lessee, Lease, Description [Line Items]            
Rent expense     $ 800,000 $ 800,000 $ 2,500,000 $ 2,500,000
Impairment of long-lived assets     5,390,000   5,390,000  
Impairment expenses for right of use assets     2,200,000 0 2,185,000 0
Impairment expenses for property and equipment     3,200,000 $ 0 3,205,000 $ 0
Future minimum lease payments            
2023     868,000   868,000  
2024     3,553,000   3,553,000  
2025     3,654,000   3,654,000  
2026     3,757,000   3,757,000  
2027     3,863,000   3,863,000  
Thereafter     29,679,000   29,679,000  
Total Undiscounted lease payments     45,374,000   45,374,000  
Less: imputed interest     (18,856,000)   (18,856,000)  
Total Lease Liabilities     $ 26,518,000   $ 26,518,000  
Operating Leases For Office Space            
Lessee, Lease, Description [Line Items]            
Area leased | ft²     37,000   37,000  
Option to extend lease         true  
Number of extension terms | lease     2   2  
Extension term     5 years   5 years  
Option to terminate lease         true  
Notice Period for termination lease         15 months  
Sublease Agreement A            
Lessee, Lease, Description [Line Items]            
Area leased | ft²   8,000        
Option to extend lease   true        
Sublease Income   $ 12,426        
Annual increase in sublease rent (as a percent)   2.75%        
Sublease Agreement B            
Lessee, Lease, Description [Line Items]            
Area leased | ft² 29,000          
Option to extend lease true          
Sublease Income $ 75,000          
Maximum | Operating Leases For Laboratory Space            
Lessee, Lease, Description [Line Items]            
Number of extension terms | item     2   2  
Extended term of new lease agreement         5 years