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INVESTMENT SECURITIES, Amortized Cost, Gross Unrealized Gains and Losses and Fair Value of Investment (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
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Debt Securities [Abstract] |  |
Amortized cost | $ 287,521 | $ 237,807
Gross Unrealized Gains | 7,912 | 3,201
Gross Unrealized Losses | (244) | (302)
Fair value | 295,189 | 240,706
U.S. Agency Securities [Member] |  |
Debt Securities [Abstract] |  |
Amortized cost | 79,065 | 83,410
Gross Unrealized Gains | 2,403 | 1,523
Gross Unrealized Losses | (52) | (70)
Fair value | 81,416 | 84,863
U.S. Treasuries [Member] |  |
Debt Securities [Abstract] |  |
Amortized cost | 27,442 | 27,394
Gross Unrealized Gains | 601 | 267
Gross Unrealized Losses | 0 | 0
Fair value | 28,043 | 27,661
Obligations of State and Political Subdivisions [Member] |  |
Debt Securities [Abstract] |  |
Amortized cost | 100,089 | 60,667
Gross Unrealized Gains | 2,938 | 865
Gross Unrealized Losses | (55) | (77)
Fair value | 102,972 | 61,455
Corporate Obligations [Member] |  |
Debt Securities [Abstract] |  |
Amortized cost | 6,413 | 3,250
Gross Unrealized Gains | 96 | 78
Gross Unrealized Losses | 0 | 0
Fair value | 6,509 | 3,328
Mortgage-backed Securities in Government Sponsored Entities [Member] |  |
Debt Securities [Abstract] |  |
Amortized cost | 74,512 | 63,086
Gross Unrealized Gains | 1,874 | 468
Gross Unrealized Losses | (137) | (155)
Fair value | $ 76,249 | $ 63,399

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