v3.26.1
MEMBER UNITS AND PREFERRED UNITS - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Thousands, shares in Millions
 3 Months Ended 12 Months Ended
Mar. 18, 2026
Nov. 21, 2025
Sep. 30, 2025
Jan. 24, 2025
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Oct. 03, 2025
Preferred Units [Line Items]                    
Issuance date fair value of warrant         $ 55,300          
Series D preferred stock conversion price adjustment         75.00%          
Percentage of accumulated preferred return         3.00%          
Cumulative distributions         $ 9,500          
Mezzanine equity         188 $ 290        
Mezzanine equity         $ 2,431,909 $ 1,351,918 $ 2,066,555 $ 1,300,376    
2024 Warrant | Investor                    
Preferred Units [Line Items]                    
Warrants to purchase shares of common stock         40.2          
Exercise price of warrants         $ 7.46          
Issuance date fair value of warrant         $ 55,300          
2024 Warrant | Investor | Maximum                    
Preferred Units [Line Items]                    
Warrants to purchase shares of common stock         40.2          
Series C Preferred Stock                    
Preferred Units [Line Items]                    
Preferred stock, shares issued               20.8    
Shares issued conversions and warrant exercises                 16.3  
Accumulated preferred return         $ 16,400   14,200      
Mezzanine equity         265,797   265,797      
Series C Preferred Stock | C-2 Convertible Notes | Conversion Of C2 Notes Into Series C Preferred Unit                    
Preferred Units [Line Items]                    
Shares issued to convert debt     2.9              
Series A-1 Preferred Units, Series C Preferred Units and Series B-2 Common Units                    
Preferred Units [Line Items]                    
Issuance of preferred stock and preference stock                 $ 50,000  
Series C-1 Preferred Units                    
Preferred Units [Line Items]                    
Stock issued during period       8.2       99.7    
Issuance of preferred stock and preference stock       $ 53,400       $ 626,500    
Mark to market loss recognized from remeasurement of warrant liability         (101,800)          
Accumulated preferred return         29,700   24,400      
Mezzanine equity         1,051,881   686,715      
Series C-1 Preferred Units | 2024 Warrant                    
Preferred Units [Line Items]                    
Exercise price of warrants                   $ 6.487
Series C-1 Preferred Units | 2024 Warrant | Investor                    
Preferred Units [Line Items]                    
Shares warrants exercised 19.6                  
Series C-1 Preferred Units | 2025 Warrant | Maximum                    
Preferred Units [Line Items]                    
Warrants to purchase shares of common stock                   14.1
Series C-1 Preferred Units | 2025 Warrant | Related Party                    
Preferred Units [Line Items]                    
Exercise price of warrants                   $ 6.487
Series D Preferred Stock                    
Preferred Units [Line Items]                    
Stock issued during period   48.2                
Issuance of preferred stock and preference stock   $ 700,000                
Accumulated preferred return         7,500   2,300      
Mezzanine equity         677,623   677,623      
Series A Preferred Stock                    
Preferred Units [Line Items]                    
Accumulated preferred return         7,300   7,000      
Mezzanine equity         218,408   218,408      
Series A-1 Preferred Units                    
Preferred Units [Line Items]                    
Accumulated preferred return         4,700   4,200      
Series B Preferred Stock                    
Preferred Units [Line Items]                    
Accumulated preferred return         14,900   14,100      
Mezzanine equity         101,382   101,382      
Equity                    
Preferred Units [Line Items]                    
Mezzanine equity         $ 75,100   $ 74,900