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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
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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%

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- Definition Fair Value Input, Unobservable Input Value, Description + References No definition available. + Details
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- Definition Fair Value Measurements Discount Rate + References No definition available. + Details
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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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