v3.26.1
STOCK-BASED COMPENSATION - Components and Classification of Stock-Based Compensation Expense (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
STOCK-BASED COMPENSATION [Abstract]        
Total stock-based compensation expense $ 3,977 $ 1,585 $ 5,898 $ 3,146
Equity-settled Stock-based Payments (including Stock Options and RSUs) [Member]        
STOCK-BASED COMPENSATION [Abstract]        
Total stock-based compensation expense 2,116 1,541 3,932 3,244
Cash-settled Stock-based Payments (including SPP Rights and CIUs) [Member]        
STOCK-BASED COMPENSATION [Abstract]        
Total stock-based compensation expense 1,861 44 1,966 (98)
Location, Statement of Income, Balance [Axis]: us-gaap:CostOfGoodsAndServicesSold        
STOCK-BASED COMPENSATION [Abstract]        
Total stock-based compensation expense 2 12 3 13
Location, Statement of Income, Balance [Axis]: us-gaap:ResearchAndDevelopmentExpense        
STOCK-BASED COMPENSATION [Abstract]        
Total stock-based compensation expense 2,370 928 2,988 1,543
Location, Statement of Income, Balance [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense        
STOCK-BASED COMPENSATION [Abstract]        
Total stock-based compensation expense $ 1,605 $ 645 $ 2,907 $ 1,590