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Investments in Affiliates and Other Entities - Equity Investments by Type (Details) - USD ($)
$ in Thousands
Sep. 30, 2024
Dec. 31, 2023
Schedule of Equity Method Investments [Line Items]    
Non-marketable equity securities $ 64,015 $ 53,868
Total equity investments 235,022 178,097
Integral Unconsolidated Affiliates    
Schedule of Equity Method Investments [Line Items]    
Equity method investments 98,823 96,124
Non-Integral Unconsolidated Affiliates    
Schedule of Equity Method Investments [Line Items]    
Equity method investments $ 72,184 $ 28,105