v3.25.2
Fair Value Measurements (Details) - USD ($)
$ in Thousands
Jun. 30, 2025
Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Long-term debt $ 8,096 $ 9,745
U.S. government securities - AFS    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale debt securities 184,805 169,866
Fair Value, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Money market funds 75,812 114,091
Long-term debt 10,040 10,023
Fair Value, Recurring | U.S. government securities - AFS    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale debt securities 184,805 169,866
Fair Value, Recurring | Trading Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Trading securities 3,315 3,555
Quoted Prices in Active Markets for Identical Items (Level 1) | Fair Value, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Money market funds 75,812 114,091
Long-term debt 0 0
Quoted Prices in Active Markets for Identical Items (Level 1) | Fair Value, Recurring | U.S. government securities - AFS    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale debt securities 184,805 169,866
Quoted Prices in Active Markets for Identical Items (Level 1) | Fair Value, Recurring | Trading Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Trading securities 3,315 3,555
Significant Other Observable Inputs (Level 2) | Fair Value, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Money market funds 0 0
Long-term debt 10,040 10,023
Significant Other Observable Inputs (Level 2) | Fair Value, Recurring | U.S. government securities - AFS    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale debt securities 0 0
Significant Other Observable Inputs (Level 2) | Fair Value, Recurring | Trading Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Trading securities 0 0
Significant Unobservable Inputs (Level 3) | Fair Value, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Money market funds 0 0
Long-term debt 0 0
Significant Unobservable Inputs (Level 3) | Fair Value, Recurring | U.S. government securities - AFS    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale debt securities 0 0
Significant Unobservable Inputs (Level 3) | Fair Value, Recurring | Trading Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Trading securities $ 0 $ 0