Fair Value Measurement (Narrative) (Details) $ in Millions	Sep. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)
Consumer Loans [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Collateral dependent impaired loans, gross	$ 1.4	$ 1.5
Impaired loans, allowance for loan loss	$ 0.2	$ 0.4
Minimum [Member] | Level 3 [Member] | Discount Rate [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Discount on appraisals of the collateral	10
Maximum [Member] | Level 3 [Member] | Discount Rate [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Discount on appraisals of the collateral	50