v3.25.3
Investments - Schedule of Financial Information of Equity Method Investments (FY) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Jun. 30, 2024
Mar. 31, 2024
Jun. 30, 2025
Jun. 30, 2024
Oct. 01, 2024
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Balance Sheets                      
Total Assets $ 555,985   $ 905,289     $ 555,985     $ 905,289 $ 21,564  
Total Liabilities 129,925   138,996     129,925     138,996 29,420  
Total Equity (Deficit) 426,060 $ 525,745 766,293 $ (11,702) $ (10,519) 426,060 $ (11,702) $ (4,503) 766,293 (18,486) $ (11,193)
Statements of operations                      
Net Income (Loss) $ (141,275) $ (253,674) (70,093) $ (11,314) $ (7,526) $ (394,949) $ (18,840) $ (28,198)   (30,984)  
ESG Fund                      
Balance Sheets                      
Total Assets     97,445           97,445 58,022  
Total Liabilities     93           93 107  
Total Equity (Deficit)     97,352           97,352 57,915  
Statements of operations                      
Revenue                 202 320  
Gross (Loss) Profit                 (735) (709)  
Net Income (Loss)                 39,437 (4,557)  
AeroFlexx                      
Balance Sheets                      
Total Assets     17,002           17,002 10,780  
Total Liabilities     27,861           27,861 8,031  
Total Equity (Deficit)     $ (10,859)           (10,859) 2,749  
Statements of operations                      
Revenue                 38 16  
Gross (Loss) Profit                 (57) 1  
Net Income (Loss)                 $ (13,663) $ (8,221)