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Supplemental Financial Information - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2023
Sep. 30, 2023
Dec. 31, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]      
Deposit Liabilities, Collateral Issued, Financial Instruments   $ 14.0 $ 20.7
Proceeds from Income Tax Refunds $ 45.9