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Variable Interest Entity and Equity Method of Accounting (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Feb. 04, 2022
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Class of Stock [Line Items]            
Equity method investment   $ 970   $ 970   $ 0
Loss (gain) on investment   980 $ 0 (10,187) $ 0  
Charter Bioscience Inc.            
Class of Stock [Line Items]            
Loss (gain) on investment   $ 1,000   $ (10,200)    
Private Capital Transaction | Charter Bioscience Inc.            
Class of Stock [Line Items]            
Ownership percentage 25.46%          
Common Stock | Charter Bioscience Inc.            
Class of Stock [Line Items]            
Equity method investment $ 3,700          
Preferred Stock | Charter Bioscience Inc. | Other Assets            
Class of Stock [Line Items]            
Equity interest at fair value 4,900          
Charter Bioscience Inc. | Preferred Stock | Private Capital Transaction            
Class of Stock [Line Items]            
Net proceeds from sale of stock $ 17,900          
Sale of stock, number of shares issued in transaction (in shares) 16,210,602