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Debt Securities, Amortized Cost and Fair Value of Debt Securities (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Available-for-sale [Abstract] |  |  |
Amortized cost |  | $ 177,501 | $ 185,317
Gross unrealized gains |  | 0 | 0
Gross unrealized losses |  | (8,014) | (12,152)
Fair value |  | 169,487 | 173,165
Available-for-sale Securities [Member] |  |  |
Available-for-sale [Abstract] |  |  |
Amortized cost |  | 177,501 | 185,317
Gross unrealized gains |  | 0 | 0
Gross unrealized losses |  | (8,014) | (12,152)
Fair value |  | 169,487 | 173,165
U.S. Federal Agencies [Member] |  |  |
Available-for-sale [Abstract] |  |  |
Amortized cost |  | 138 | 1,292
Gross unrealized gains |  | 0 | 0
Gross unrealized losses |  | (3) | (150)
Fair value |  | 135 | 1,142
Mortgage-Backed Securities [Member] |  |  |
Available-for-sale [Abstract] |  |  |
Amortized cost | [1],[2] | 38,465 | 42,953
Gross unrealized gains | [1],[2] | 0 | 0
Gross unrealized losses | [1],[2] | (3,963) | (4,879)
Fair value | [1],[2] | 34,502 | 38,074
Residential Mortgage-Backed Securities [Member] |  |  |
Available-for-sale [Abstract] |  |  |
Fair value |  | 24,800 | 27,900
Commercial Mortgage-Backed Securities [Member] |  |  |
Available-for-sale [Abstract] |  |  |
Fair value |  | 13,670 | 15,050
State and Political Subdivisions [Member] |  |  |
Available-for-sale [Abstract] |  |  |
Amortized cost |  | 27,368 | 30,632
Gross unrealized gains |  | 0 | 0
Gross unrealized losses |  | (1,512) | (2,276)
Fair value |  | 25,856 | 28,356
U.S. Treasuries [Member] |  |  |
Available-for-sale [Abstract] |  |  |
Amortized cost |  | 106,030 | 104,940
Gross unrealized gains |  | 0 | 0
Gross unrealized losses |  | (1,373) | (4,280)
Fair value |  | 104,657 | 100,660
Corporate Debt Securities [Member] |  |  |
Available-for-sale [Abstract] |  |  |
Amortized cost |  | 5,500 | 5,500
Gross unrealized gains |  | 0 | 0
Gross unrealized losses |  | (1,163) | (567)
Fair value |  | $ 4,337 | $ 4,933
[1] | All of our mortgage-backed securities and collateralized mortgage obligations are issued and/or guaranteed by U.S. government agencies or U.S. government-sponsored entities.
[2] | Included in amortized cost of mortgage-backed securities is $24.80 million and $27.90 million of residential mortgage-backed securities and $13.67 million and $15.05 million of commercial mortgage-backed securities as of December 31, 2023 and December 31, 2022, respectively.

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