Quarterly report pursuant to Section 13 or 15(d)

Marketable Securities - Marketable Securities (Details)

v3.23.2
Marketable Securities - Marketable Securities (Details) - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Debt Securities, Available-for-Sale [Line Items]    
Adjusted Cost $ 53,113 $ 90,321
Unrealized Gain/(Loss) (3,615) (6,615)
Fair Value 49,498 83,706
Corporate Bonds    
Debt Securities, Available-for-Sale [Line Items]    
Adjusted Cost 19,594 40,823
Unrealized Gain/(Loss) (1,295) (2,579)
Fair Value 18,299 38,244
U.S. Treasury    
Debt Securities, Available-for-Sale [Line Items]    
Adjusted Cost 16,355 20,869
Unrealized Gain/(Loss) (988) (1,313)
Fair Value 15,367 19,556
Mortgage-Backed    
Debt Securities, Available-for-Sale [Line Items]    
Adjusted Cost   5,980
Unrealized Gain/(Loss)   (606)
Fair Value   5,374
U.S. Agency and Government Sponsored Securities    
Debt Securities, Available-for-Sale [Line Items]    
Adjusted Cost 6,899 10,781
Unrealized Gain/(Loss) (556) (1,221)
Fair Value 6,343 9,560
U.S. States and Municipalities    
Debt Securities, Available-for-Sale [Line Items]    
Adjusted Cost 10,265 11,801
Unrealized Gain/(Loss) (776) (895)
Fair Value $ 9,489 10,906
Asset-Backed    
Debt Securities, Available-for-Sale [Line Items]    
Adjusted Cost   67
Unrealized Gain/(Loss)   (1)
Fair Value   $ 66