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BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Severance and Transition (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Stock-based compensation expense $ 590 $ 480 $ 2,100 $ 1,200
Chief Executive Officer        
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Severance costs     2,200  
Stock-based compensation expense     737  
Transition related expenses     $ 306