FAIR VALUE MEASUREMENTS - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term U.S. Government bonds	$ 2,909
Long-term U.S. Government bonds	396,931	$ 299,548
Cash equivalents	79,559	91,985
Short-term Corporate bonds	471,993	422,137
Fair Value, Measurements, Recurring [Member] | Reported Value Measurement [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term U.S. Government bonds	471,862	420,378
Long-term U.S. Government bonds	378,811	285,502
Cash equivalents	1,268	268
Short-term Corporate bonds		1,759
Short-term Marketable securities	131
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]
Short-term U.S. Government bonds	471,862	420,378
Long-term U.S. Government bonds	378,811	285,502
Cash equivalents	1,268	268
Short-term Corporate bonds		$ 1,759
Short-term Marketable securities	$ 131