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Fair Values of Financial Instruments (Fair Value, Assets Measured on Recurring Basis) (Details) - Fair Value, Recurring [Member] - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
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U.S. Treasury Securities [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
ASSETS | $ 41,854 | $ 19,351
U.S. Treasury Securities [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
ASSETS |  |
U.S. Treasury Securities [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
ASSETS | 41,854 | 19,351
U.S. Treasury Securities [Member] | Level 3 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
ASSETS |  |
U.S. Government Agencies [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
ASSETS | 18,323 | 16,011
U.S. Government Agencies [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
ASSETS |  |
U.S. Government Agencies [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
ASSETS | 18,323 | 16,011
U.S. Government Agencies [Member] | Level 3 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
ASSETS |  |
States And Political Subdivisions [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
ASSETS | 127,852 | 145,867
States And Political Subdivisions [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
ASSETS |  |
States And Political Subdivisions [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
ASSETS | 127,852 | 145,867
States And Political Subdivisions [Member] | Level 3 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
ASSETS |  |
Mortgage-backed Securities-Government Sponsored Entities [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
ASSETS | 230,898 | 225,553
Mortgage-backed Securities-Government Sponsored Entities [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
ASSETS |  |
Mortgage-backed Securities-Government Sponsored Entities [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
ASSETS | 230,898 | 225,553
Mortgage-backed Securities-Government Sponsored Entities [Member] | Level 3 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
ASSETS |  |
Interest Rate Derivatives [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
ASSETS | 1,464 | 235
LIABILITIES | 1,464 | 235
Interest Rate Derivatives [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
ASSETS |  |
LIABILITIES |  |
Interest Rate Derivatives [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
ASSETS | 1,464 | 235
LIABILITIES | 1,464 | 235
Interest Rate Derivatives [Member] | Level 3 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
ASSETS |  |
LIABILITIES |  |

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