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FAIR VALUE MEASUREMENT - Level 3 Investment Activity (Details) - USD ($)
$ in Thousands
 6 Months Ended 9 Months Ended 12 Months Ended
Jun. 30, 2024
Sep. 30, 2024
Dec. 31, 2023
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other expense, net Other expense, net  
Level 3      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Beginning balance $ 51,530 $ 51,530 $ 82,787
Increase due to purchases of Level 3 investments     10,000
Decrease in fair value of Level 3 investments   (19,546) (41,741)
Accrued interest on Level 3 investments   375 484
Ending balance   $ 32,359 $ 51,530