Regulatory Capital (Narrative) (Details)	Dec. 31, 2023
Broker-Dealer [Abstract]
Tier One Risk Based Common Equity Required to be Well Capitalized to Risk Weighted Assets Capital Conservation Buffer	7.00%
Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets Capital Conservation Buffer	8.50%
Capital Required to be Well Capitalized to Risk Weighted Assets Capital Conservation Buffer	10.50%
Current Expected Credit Loss Cumulative Adjustment, Phase-Out, Percentage, Year One	0.75
Current Expected Credit Loss Cumulative Adjustment, Phase-Out, Percentage, Year Two	0.50
Current Expected Credit Loss Cumulative Adjustment, Phase-Out, Percentage, Year Three	0.25