v3.26.3
FAIR VALUE MEASUREMENTS - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Dec. 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Long-term U.S. Government bonds $ 469,611 $ 377,034
Short-term U.S. Government bonds 3,093 3,070
Cash equivalents 93,447 138,353
Fair Value, Measurements, Recurring [Member] | Reported Value Measurement [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Long-term U.S. Government bonds 394,606 352,987
Short-term U.S. Government bonds 334,277 455,398
Cash equivalents 1,061 27,461
Short-term marketable equity securities 1,270 8,606
Convertible notes 2,000 2,000
Fair Value, Measurements, Recurring [Member] | Reported Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Convertible notes 2,000 2,000
Fair Value, Measurements, Recurring [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Long-term U.S. Government bonds 394,606 352,987
Short-term U.S. Government bonds 334,277 455,398
Cash equivalents 1,061 27,461
Short-term marketable equity securities $ 1,270 $ 8,606