XML 53 R41.htm IDEA: XBRL DOCUMENT v3.25.3
Fair Value Measurements and Available for Sale Investments -Schedule of Available-for-sale Investments (Details) - USD ($)
 9 Months Ended 12 Months Ended
Sep. 30, 2025
Dec. 31, 2024
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost $ 146,566,000 $ 302,214,000
Gross Unrealized Gains 256,000 527,000
Gross Unrealized Losses (1,000) (15,000)
Total Fair Value 146,821,000 302,726,000
Short-term investments 139,123,000 262,293,000
Long-term investments 7,698,000 35,470,000
Agency securities    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 2,506,000 7,587,000
Gross Unrealized Gains 0 0
Gross Unrealized Losses (1,000) (8,000)
Total Fair Value 2,505,000 7,579,000
Short-term investments 2,500,000 7,600,000
Long-term investments $ 0 $ 0.0
Agency securities | Minimum    
Debt Securities, Available-for-sale [Line Items]    
Remaining maturity (in years) 1 year 1 year
Agency securities | Maximum    
Debt Securities, Available-for-sale [Line Items]    
Remaining maturity (in years) 2 years 2 years
Commercial and corporate obligations    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost $ 13,563,000 $ 10,642,000
Gross Unrealized Gains 26,000 10,000
Gross Unrealized Losses 0 0
Total Fair Value 13,589,000 10,652,000
Short-term investments 13,600,000 10,700,000
Long-term investments $ 0 $ 0.0
Commercial and corporate obligations | Minimum    
Debt Securities, Available-for-sale [Line Items]    
Remaining maturity (in years) 1 year 1 year
Commercial and corporate obligations | Maximum    
Debt Securities, Available-for-sale [Line Items]    
Remaining maturity (in years) 2 years 2 years
U.S. Treasury Securities    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost $ 130,497,000 $ 283,985,000
Gross Unrealized Gains 230,000 517,000
Gross Unrealized Losses 0 (7,000)
Total Fair Value 130,727,000 284,495,000
Short-term investments 123,000,000.0 249,000,000.0
Long-term investments $ 7,700,000 $ 35,500,000
U.S. Treasury Securities | Minimum    
Debt Securities, Available-for-sale [Line Items]    
Remaining maturity (in years) 1 year 1 year
U.S. Treasury Securities | Maximum    
Debt Securities, Available-for-sale [Line Items]    
Remaining maturity (in years) 2 years 2 years