Fair Value - Assets And Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available-for-sale	$ 94,682	$ 91,765
Equity securities	7,931	7,802
U.S. Government sponsored entities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available-for-sale	15,264	16,033
State and political subdivisions
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available-for-sale	350	360
Residential mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available-for-sale	13,532	14,077
Corporate and other securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available-for-sale	65,536	61,295
Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available-for-sale	94,682	91,765
Equity securities	7,931	7,802
Swap agreements	805	918
Liabilities measured at fair value	0	0
Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Equity securities	7,931	7,802
Recurring \| Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available-for-sale	86,703	83,786
Swap agreements	805	918
Recurring \| Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available-for-sale	7,979	7,979
Recurring \| U.S. Government sponsored entities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available-for-sale	15,264	16,033
Recurring \| U.S. Government sponsored entities \| Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available-for-sale	15,264	16,033
Recurring \| State and political subdivisions
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available-for-sale	350	360
Recurring \| State and political subdivisions \| Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available-for-sale	350	360
Recurring \| Residential mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available-for-sale	13,532	14,077
Recurring \| Residential mortgage-backed securities \| Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available-for-sale	13,532	14,077
Recurring \| Corporate and other securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available-for-sale	65,536	61,295
Recurring \| Corporate and other securities \| Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available-for-sale	57,557	53,316
Recurring \| Corporate and other securities \| Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available-for-sale	7,979	7,979
Recurring \| Interest rate swap agreements
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Swap agreements	805	918
Recurring \| Interest rate swap agreements \| Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Swap agreements	$ 805	$ 918

Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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-Topic 326
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Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Fair value of financial and nonfinancial obligations.

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