XML 67 R54.htm IDEA: XBRL DOCUMENT v3.23.1
Variable Interest Entity and Equity Method of Accounting (Details) - USD ($)
$ in Thousands
3 Months Ended
Feb. 04, 2022
Mar. 31, 2023
Mar. 31, 2022
Jan. 23, 2023
Class of Stock [Line Items]        
Gain on investments   $ 0 $ 12,394  
Charter Bioscience Inc.        
Class of Stock [Line Items]        
Gain on investments     $ 12,400  
Second Private Capital Transaction | Charter Bioscience Inc.        
Class of Stock [Line Items]        
Ownership percentage       23.92%
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 | Second 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