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Other Assets - Narrative (Details) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Other Assets [Abstract]    
Federal reserve bank stock $ 133.7 $ 128.6
Required percent of capital or surplus 6.00%  
Required percent of deposits 0.60%  
Federal home loan bank stock $ 51.3 $ 179.7