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Fair Values of Assets and Liabilities (Fair Value, Assets Measured on Recurring Basis) (Details) - Fair Value, Recurring [Member] - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
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U.S. Treasury Securities [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
ASSETS | $ 44,676 | $ 53,600
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 | 44,676 | 53,600
U.S. Government Agencies [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
ASSETS | 19,828 | 15,996
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 | 19,828 | 15,996
States And Political Subdivisions [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
ASSETS | 128,267 | 129,479
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 | 128,267 | 129,479
Mortgage-backed Securities-Government Sponsored Entities [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
ASSETS | 205,603 | 207,184
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 | 205,603 | 207,184
Interest Rate Derivatives [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
ASSETS | 1,336 | 1,225
LIABILITIES | 1,336 | 1,225
Interest Rate Derivatives [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
ASSETS | 1,336 | 1,225
LIABILITIES | $ 1,336 | $ 1,225

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