Fair Value Of Financial Instruments (Narrative) (Details) - Significant Unobservable Inputs (Level 3) [Member] $ in Thousands	Dec. 31, 2021 USD ($)	Sep. 30, 2021 USD ($)	Dec. 31, 2020 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans individually evaluated for loss	$ 3,300		$ 5,900
OREO	0		30
Fair Value, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	0	$ 0
Fair Value, Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans individually evaluated for loss	3,300		5,900
OREO	$ 0		$ 30
Fair Value, Nonrecurring [Member] | Estimated Selling Costs [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans receivable, measurement input	0.10
OREO, measurement input	0.10
Fair Value, Nonrecurring [Member] | Lack of Marketability [Member] | Minimum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans receivable, measurement input	0.09		0.10
Fair Value, Nonrecurring [Member] | Lack of Marketability [Member] | Maximum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans receivable, measurement input	0.56		0.50
Fair Value, Nonrecurring [Member] | Lack of Marketability [Member] | Weighted Average [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans receivable, measurement input	0.21		0.26