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Investments - Additional Information (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Jun. 01, 2023
Jan. 31, 2024
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
May 31, 2025
Dec. 31, 2024
Jun. 01, 2021
Schedule of Investments [Line Items]                  
Carrying value of unconsolidated investment     $ 838,725   $ 838,725     $ 726,484  
Mark-to-market (loss) gain on public equity securities     7,900 $ (5,000) 3,100 $ (32,200)      
Proceeds from sale of equity securities   $ 81,500              
Equity securities realized loss           $ 33,700      
FCS                  
Schedule of Investments [Line Items]                  
Equity securities realized loss         38,000        
Aggregate stated value     307,400   307,400       $ 270,000
Annual dividend rate 12.00%                
Cash received from redemption     288,000   288,000        
Cash previously received for tax liabilities     19,400   19,400        
Fair value prior to redemption             $ 326,000    
Windfield                  
Schedule of Investments [Line Items]                  
Carrying value of unconsolidated investment     $ 674,500   $ 674,500     $ 583,600  
Windfield                  
Schedule of Investments [Line Items]                  
Ownership percentage     49.00%   49.00%        
Windfield | Windfield                  
Schedule of Investments [Line Items]                  
Ownership percentage     49.00%   49.00%