Quarterly report pursuant to Section 13 or 15(d)

Investments - Contractual Maturity (Details)

v3.23.3
Investments - Contractual Maturity (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]    
Fair Value $ 13,468 $ 48,214
Gross Unrealized Loss (255) (837)
12 months or longer [Member]    
Debt Securities, Available-for-sale [Line Items]    
Fair Value 0  
Gross Unrealized Loss 0  
Less than 12 months [Member]    
Debt Securities, Available-for-sale [Line Items]    
Fair Value 13,468  
Gross Unrealized Loss (255)  
Corporate bonds    
Debt Securities, Available-for-sale [Line Items]    
Fair Value 6,516 23,513
Gross Unrealized Loss (168) (414)
Corporate bonds | 12 months or longer [Member]    
Debt Securities, Available-for-sale [Line Items]    
Fair Value 0  
Gross Unrealized Loss 0  
Corporate bonds | Less than 12 months [Member]    
Debt Securities, Available-for-sale [Line Items]    
Fair Value 6,516  
Gross Unrealized Loss (168)  
U.S. Treasury securities    
Debt Securities, Available-for-sale [Line Items]    
Fair Value 6,952 24,701
Gross Unrealized Loss (87) $ (423)
U.S. Treasury securities | 12 months or longer [Member]    
Debt Securities, Available-for-sale [Line Items]    
Fair Value 0  
Gross Unrealized Loss 0  
U.S. Treasury securities | Less than 12 months [Member]    
Debt Securities, Available-for-sale [Line Items]    
Fair Value 6,952  
Gross Unrealized Loss $ (87)