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Regulatory Capital - Narrative (Details) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2021
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Maximum buffer, percent of risk weighted assets for 2020 and thereafter 2.50%  
Cumulative Effect, Period of Adoption, Adjustment    
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Cumulative capital transition impact   $ 61.6
Capital transaction provisions, benefit recognized, excluding amount previously phased in $ 30.8