v3.25.1
Investments in Securities - Schedule of Marketable Securities at Cost and Fair Value (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Debt Securities, Available-for-Sale [Line Items]    
Amortized Cost $ 65,597 $ 71,299
Gross Unrealized Gains 295 335
Gross Unrealized Losses (351) (404)
Fair Value 65,541 71,230
U.S. treasury bills    
Debt Securities, Available-for-Sale [Line Items]    
Amortized Cost 55,009 60,801
Gross Unrealized Gains 190 131
Gross Unrealized Losses 0 0
Fair Value 55,199 60,932
Municipal bonds    
Debt Securities, Available-for-Sale [Line Items]    
Amortized Cost 9,631 9,543
Gross Unrealized Gains 38 148
Gross Unrealized Losses (351) (404)
Fair Value 9,318 9,287
Corporate/government bonds    
Debt Securities, Available-for-Sale [Line Items]    
Amortized Cost 479 477
Gross Unrealized Gains 33 29
Gross Unrealized Losses 0 0
Fair Value 512 506
Other bonds    
Debt Securities, Available-for-Sale [Line Items]    
Amortized Cost 478 478
Gross Unrealized Gains 34 27
Gross Unrealized Losses 0 0
Fair Value $ 512 $ 505