Fair Value of Financial Instruments (Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques) (Details) - Fair Value, Inputs, Level 3 [Member] - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
Fair Value, Measurements, Recurring [Member] | Investment Securities - Available for Sale [Member] | Discounted Cash Flow [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of securities	$ 17,092	$ 13,260
Fair value input, unobservable input value, description	4.50%	5.50%
Fair Value, Measurements, Nonrecurring [Member] | Impaired Loans [Member] | Market Comparable Properties [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of securities	$ 2,002	$ 1,465
Fair Value, Measurements, Nonrecurring [Member] | Other Real Estate Owned [Member] | Market Comparable Properties [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of securities	$ 349	$ 913
Fair value measurements discount rate	15.00%	15.00%
Minimum [Member] | Fair Value, Measurements, Nonrecurring [Member] | Impaired Loans [Member] | Market Comparable Properties [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value measurements discount rate	10.00%	10.00%
Maximum [Member] | Fair Value, Measurements, Nonrecurring [Member] | Impaired Loans [Member] | Market Comparable Properties [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value measurements discount rate	15.00%	15.00%
Weighted Average [Member] | Fair Value, Measurements, Nonrecurring [Member] | Impaired Loans [Member] | Market Comparable Properties [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value measurements discount rate	10.50%	12.50%