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Investments - Schedule of Investments (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Sep. 30, 2023
Mar. 31, 2023
Dec. 31, 2022
Sep. 30, 2022
Mar. 31, 2022
Schedule of Equity Method Investments [Line Items]            
Fair value investments $ 18,570   $ 21,586      
Investments valued under the measurement alternative 175,522 $ 175,522 168,732 $ 165,832 $ 190,023 $ 156,100
Total Investments 587,771   530,921      
Equity method investments in Partnerships            
Schedule of Equity Method Investments [Line Items]            
Equity method investments 391,884   340,603      
Other equity method investments            
Schedule of Equity Method Investments [Line Items]            
Equity method investments $ 1,795   $ 0