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Commitments, Contingencies, and Guarantees - Schedule of IRLC Unpaid Principal Balance (Details) - USD ($)
$ in Thousands
Jun. 30, 2024
Dec. 31, 2023
Commitments and Contingencies Disclosure [Abstract]    
IRLCs UPB, fixed rate $ 10,137,502 $ 6,317,330
IRLCs UPB, variable rate $ 423,708 $ 258,045