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SECURITIES, Amortized Cost and Fair Value of Securities Available-for-sale (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Available-for-sale Investment Securities [Abstract] |  |
Amortized Cost | $ 124,715 | $ 109,239
Gross Unrealized Gains | 2,391 | 3,087
Gross Unrealized Losses | (712) | (4)
Estimated Fair Value | 126,394 | 112,322
U.S. Government Securities [Member] |  |
Available-for-sale Investment Securities [Abstract] |  |
Amortized Cost | 5,173 |
Gross Unrealized Gains | 0 |
Gross Unrealized Losses | (7) |
Estimated Fair Value | 5,166 |
US Government-sponsored Entity Securities [Member] |  |
Available-for-sale Investment Securities [Abstract] |  |
Amortized Cost | 22,808 | 17,814
Gross Unrealized Gains | 241 | 339
Gross Unrealized Losses | (227) | 0
Estimated Fair Value | 22,822 | 18,153
Agency Mortgage-backed Securities, Residential [Member] |  |
Available-for-sale Investment Securities [Abstract] |  |
Amortized Cost | 96,734 | 91,425
Gross Unrealized Gains | 2,150 | 2,748
Gross Unrealized Losses | (478) | (4)
Estimated Fair Value | $ 98,406 | $ 94,169

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