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Security Types (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale Securities, Debt Maturities, within One Year, Fair Value | $ 5,525 | $ 4,993
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Fair Value | 26,620 | 29,160
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value | 84,274 | 29,146
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value | 218,758 | 172,603
Available-for-sale Securities, Fair Value, Total | 335,177 | 235,902
Available For Sale Securities, Gross Unrealized Gains | 10,389 | 3,117
Available For Sale Securities, Gross Unrealized Losses | 242 | 368
Available-for-sale Securities, Amortized Cost Basis | 325,030 | 233,153
US Government and Government Agencies and Authorities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale Securities, Debt Maturities, within One Year, Fair Value | 5,048 | 4,993
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Fair Value | 24,834 | 27,245
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value | 55,367 | 18,470
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value | 12,199 | 0
Available-for-sale Securities, Fair Value, Total | 97,448 | 50,708
Available For Sale Securities, Gross Unrealized Gains | 3,156 | 215
Available For Sale Securities, Gross Unrealized Losses | 98 | 98
Available-for-sale Securities, Amortized Cost Basis | 94,390 | 50,591
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale Securities, Debt Maturities, within One Year, Fair Value | 0 | 0
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Fair Value | 1,154 | 560
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value | 20,502 | 4,510
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value | 141,814 | 118,207
Available-for-sale Securities, Fair Value, Total | 163,470 | 123,277
Available For Sale Securities, Gross Unrealized Gains | 3,245 | 798
Available For Sale Securities, Gross Unrealized Losses | 133 | 261
Available-for-sale Securities, Amortized Cost Basis | 160,358 | 122,740
US States and Political Subdivisions Debt Securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale Securities, Debt Maturities, within One Year, Fair Value | 477 | 0
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Fair Value | 632 | 1,355
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value | 8,405 | 6,166
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value | 64,745 | 54,396
Available-for-sale Securities, Fair Value, Total | 74,259 | 61,917
Available For Sale Securities, Gross Unrealized Gains | 3,988 | 2,104
Available For Sale Securities, Gross Unrealized Losses | 11 | 9
Available-for-sale Securities, Amortized Cost Basis | $ 70,282 | $ 59,822

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