Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Marketable Securities (Details)

v3.23.3
Summary of Significant Accounting Policies - Marketable Securities (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Debt Securities, Available-for-Sale [Line Items]    
Marketable investments $ 16,152 $ 83,706
Corporate Bonds    
Debt Securities, Available-for-Sale [Line Items]    
Marketable investments 6,042 38,244
U.S. Treasury    
Debt Securities, Available-for-Sale [Line Items]    
Marketable investments 4,814 19,556
U.S. agency and government sponsored securities    
Debt Securities, Available-for-Sale [Line Items]    
Marketable investments 1,798 9,560
U.S. states and municipalities    
Debt Securities, Available-for-Sale [Line Items]    
Marketable investments 3,498 $ 10,906
Level 1    
Debt Securities, Available-for-Sale [Line Items]    
Marketable investments 10,856  
Level 1 | Corporate Bonds    
Debt Securities, Available-for-Sale [Line Items]    
Marketable investments 6,042  
Level 1 | U.S. Treasury    
Debt Securities, Available-for-Sale [Line Items]    
Marketable investments 4,814  
Level 1 | U.S. agency and government sponsored securities    
Debt Securities, Available-for-Sale [Line Items]    
Marketable investments 0  
Level 1 | U.S. states and municipalities    
Debt Securities, Available-for-Sale [Line Items]    
Marketable investments 0  
Level 2    
Debt Securities, Available-for-Sale [Line Items]    
Marketable investments 5,296  
Level 2 | Corporate Bonds    
Debt Securities, Available-for-Sale [Line Items]    
Marketable investments 0  
Level 2 | U.S. Treasury    
Debt Securities, Available-for-Sale [Line Items]    
Marketable investments 0  
Level 2 | U.S. agency and government sponsored securities    
Debt Securities, Available-for-Sale [Line Items]    
Marketable investments 1,798  
Level 2 | U.S. states and municipalities    
Debt Securities, Available-for-Sale [Line Items]    
Marketable investments $ 3,498