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Supplemental Financial Information - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
Sep. 30, 2024
Dec. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Deposit Liabilities, Collateral Issued, Financial Instruments $ 11.2 $ 12.6
Proceeds from Income Tax Refunds $ 35.9