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MARKETABLE SECURITIES - Schedule of Underlying Maturities of AFS Securities (Details) - USD ($)
$ in Thousands
Jun. 30, 2024
Dec. 31, 2023
Available-for-sale securities    
Due in one year or less, Cost $ 176,531  
Due in one year or less, Fair Value 176,311  
Due after one year through five years, Cost 248,955  
Due after one year through five years, Fair Value 248,304  
Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss 425,486 $ 243,649
Gains in Accumulated Other Comprehensive Income (Loss) 184 406
Losses in Accumulated Other Comprehensive Income (Loss) (1,055) (352)
Estimated Fair Value 424,615 243,703
Cash equivalents    
Available-for-sale securities    
Due in one year or less, Cost 10,344  
Due in one year or less, Fair Value 10,344  
Due after one year through five years, Cost 0  
Due after one year through five years, Fair Value 0  
Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss 10,344 75,278
Gains in Accumulated Other Comprehensive Income (Loss) 0 0
Losses in Accumulated Other Comprehensive Income (Loss) 0 0
Estimated Fair Value 10,344 75,278
Cash equivalents | Commercial paper    
Available-for-sale securities    
Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss   72,243
Gains in Accumulated Other Comprehensive Income (Loss)   0
Losses in Accumulated Other Comprehensive Income (Loss)   0
Estimated Fair Value   72,243
Cash equivalents | U.S. government agency securities    
Available-for-sale securities    
Due in one year or less, Cost 10,344  
Due in one year or less, Fair Value 10,344  
Due after one year through five years, Cost 0  
Due after one year through five years, Fair Value 0  
Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss 10,344 3,035
Gains in Accumulated Other Comprehensive Income (Loss) 0 0
Losses in Accumulated Other Comprehensive Income (Loss) 0 0
Estimated Fair Value 10,344 3,035
Marketable securities    
Available-for-sale securities    
Due in one year or less, Cost 166,187  
Due in one year or less, Fair Value 165,967  
Due after one year through five years, Cost 248,955  
Due after one year through five years, Fair Value 248,304  
Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss 415,142 168,371
Gains in Accumulated Other Comprehensive Income (Loss) 184 406
Losses in Accumulated Other Comprehensive Income (Loss) (1,055) (352)
Estimated Fair Value 414,271 168,425
Marketable securities | Commercial paper    
Available-for-sale securities    
Due in one year or less, Cost 4,943  
Due in one year or less, Fair Value 4,943  
Due after one year through five years, Cost 0  
Due after one year through five years, Fair Value 0  
Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss 4,943 20,984
Gains in Accumulated Other Comprehensive Income (Loss) 0 0
Losses in Accumulated Other Comprehensive Income (Loss) 0 0
Estimated Fair Value 4,943 20,984
Marketable securities | U.S. government agency securities    
Available-for-sale securities    
Due in one year or less, Cost 108,950  
Due in one year or less, Fair Value 108,844  
Due after one year through five years, Cost 9,803  
Due after one year through five years, Fair Value 9,782  
Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss 118,753 56,594
Gains in Accumulated Other Comprehensive Income (Loss) 3 166
Losses in Accumulated Other Comprehensive Income (Loss) (130) (44)
Estimated Fair Value 118,626 56,716
Marketable securities | Corporate bonds    
Available-for-sale securities    
Due in one year or less, Cost 46,393  
Due in one year or less, Fair Value 46,288  
Due after one year through five years, Cost 157,335  
Due after one year through five years, Fair Value 157,000  
Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss 203,728 55,712
Gains in Accumulated Other Comprehensive Income (Loss) 160 175
Losses in Accumulated Other Comprehensive Income (Loss) (600) (59)
Estimated Fair Value 203,288 55,828
Marketable securities | Asset backed securities    
Available-for-sale securities    
Due in one year or less, Cost 5,901  
Due in one year or less, Fair Value 5,892  
Due after one year through five years, Cost 81,817  
Due after one year through five years, Fair Value 81,522  
Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss 87,718 35,081
Gains in Accumulated Other Comprehensive Income (Loss) 21 65
Losses in Accumulated Other Comprehensive Income (Loss) (325) (249)
Estimated Fair Value $ 87,414 $ 34,897