Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Marketable Securities (Details)

v3.23.1
Summary of Significant Accounting Policies - Marketable Securities (Details) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Debt Securities, Available-for-Sale [Line Items]    
Marketable investments $ 69,650 $ 83,706
Corporate Bonds    
Debt Securities, Available-for-Sale [Line Items]    
Marketable investments 33,939 38,244
U.S. Treasury    
Debt Securities, Available-for-Sale [Line Items]    
Marketable investments 19,775 19,556
U.S. agency and government sponsored securities    
Debt Securities, Available-for-Sale [Line Items]    
Marketable investments 6,392 9,560
U.S. states and municipalities    
Debt Securities, Available-for-Sale [Line Items]    
Marketable investments 9,544 $ 10,906
Level 1    
Debt Securities, Available-for-Sale [Line Items]    
Marketable investments 51,327  
Level 1 | Corporate Bonds    
Debt Securities, Available-for-Sale [Line Items]    
Marketable investments 31,552  
Level 1 | U.S. Treasury    
Debt Securities, Available-for-Sale [Line Items]    
Marketable investments 19,775  
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 18,323  
Level 2 | Corporate Bonds    
Debt Securities, Available-for-Sale [Line Items]    
Marketable investments 2,387  
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 6,392  
Level 2 | U.S. states and municipalities    
Debt Securities, Available-for-Sale [Line Items]    
Marketable investments $ 9,544