Fair Value Measurements (Quantitative Information About Level 3 Fair Value Measurements For Certain Financial Assets) (Details)		9 Months Ended	12 Months Ended
		Sep. 30, 2024	Dec. 31, 2023
Collateral-dependent
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Quantitative information about Level 3 Fair Value Measurements		16.00%
Collateral-dependent | Measurement Input Discount For Selling Costs Member
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Quantitative information about Level 3 Fair Value Measurements	[1]	16.00%
Repossessed assets
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Quantitative information about Level 3 Fair Value Measurements		10.00%	10.00%
Repossessed assets | Measurement Input Discount For Selling Costs Member
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Quantitative information about Level 3 Fair Value Measurements	[1]	10.00%	10.00%

[1] (1) Weighted based on the relative fair value of the specific items measured at fair value.