v3.25.4
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Recent Accounting Pronouncements (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 12, 2025
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Debt Conversion [Line Items]          
Stockholder's equity   $ 789,176 $ 67,088 $ (220,644) $ (158,223)
Accumulated Deficit          
Debt Conversion [Line Items]          
Stockholder's equity   $ (6,702,524) (7,287,748) $ (7,009,591) $ (6,569,349)
Cumulative Effect, Period of Adoption, Adjustment          
Debt Conversion [Line Items]          
Stockholder's equity     271,477    
Cumulative Effect, Period of Adoption, Adjustment | Accumulated Deficit          
Debt Conversion [Line Items]          
Stockholder's equity     $ 271,477    
Convertible Senior Notes Due 2027 | Convertible debt          
Debt Conversion [Line Items]          
Interest rate (as percent) 1.00% 1.00%