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STOCK-BASED COMPENSATION - Employee Stock Purchase Plan and Stock-based Compensation Expense (Details) - USD ($)
3 Months Ended 9 Months Ended
Jul. 01, 2021
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Stock option compensation expense   $ 2,291,000 $ 2,603,000 $ 5,828,000 $ 6,928,000
Options          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Stock option compensation expense   $ 0 $ 0 0 $ 0
Unrecognized stock option compensation expense       $ 0  
Employee Stock Purchase Plan          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Discount through voluntary payroll deductions 15.00%        
Remaining shares available for issuance (in shares) 600,000 406,700   406,700