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Summary of Significant Accounting Policies - Cash and Cash Equivalents and Restricted Cash (Details) - USD ($)
$ in Thousands
Mar. 31, 2025
Dec. 31, 2024
Mar. 31, 2024
Dec. 31, 2023
Accounting Policies [Abstract]        
Cash and cash equivalents $ 1,554,835 $ 1,553,642 $ 1,311,949 $ 1,389,648
Restricted cash 2,828,588 2,902,703 1,890,727 1,751,887
Total cash and cash equivalents and restricted cash $ 4,383,423 $ 4,456,345 $ 3,202,676 $ 3,141,535