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Investment Securities (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Available for sale |  |
Total investment securities available for sale, Amortized Cost | $ 93,434 | $ 68,071
Total investment securities available for sale, Gross Unrealized Gains | 1,586 | 56
Total investment securities available for sale, Gross Unrealized Losses | 291 | 433
Available-for-sale securities, investment securities, Fair Value | 94,729 | 67,694
US government agencies [Member] |  |
Available for sale |  |
Total investment securities available for sale, Amortized Cost | 6,500 | 500
Total investment securities available for sale, Gross Unrealized Gains | 1 |
Total investment securities available for sale, Gross Unrealized Losses | 8 | 1
Available-for-sale securities, investment securities, Fair Value | 6,493 | 499
SBA securities [Member] |  |
Available for sale |  |
Total investment securities available for sale, Amortized Cost | 504 | 550
Total investment securities available for sale, Gross Unrealized Gains |  |
Total investment securities available for sale, Gross Unrealized Losses | 19 | 19
Available-for-sale securities, investment securities, Fair Value | 485 | 531
State and political subdivisions [Member] |  |
Available for sale |  |
Total investment securities available for sale, Amortized Cost | 18,614 | 4,205
Total investment securities available for sale, Gross Unrealized Gains | 804 | 3
Total investment securities available for sale, Gross Unrealized Losses | 30 | 24
Available-for-sale securities, investment securities, Fair Value | 19,388 | 4,184
Asset-backed Securities [Member] |  |
Available for sale |  |
Total investment securities available for sale, Amortized Cost | 11,587 | 13,351
Total investment securities available for sale, Gross Unrealized Gains | 15 |
Total investment securities available for sale, Gross Unrealized Losses | 73 | 184
Available-for-sale securities, investment securities, Fair Value | 11,529 | 13,167
Mortgage-backed securities [Member] |  |
Available for sale |  |
Total investment securities available for sale, Amortized Cost | 56,229 | 49,465
Total investment securities available for sale, Gross Unrealized Gains | 766 | 53
Total investment securities available for sale, Gross Unrealized Losses | 161 | 205
Available-for-sale securities, investment securities, Fair Value | 56,834 | 49,313
Mortgage-backed securities [Member] | FHLMC [Member] |  |
Available for sale |  |
Total investment securities available for sale, Amortized Cost | 12,157 | 10,609
Total investment securities available for sale, Gross Unrealized Gains | 206 | 14
Total investment securities available for sale, Gross Unrealized Losses | 47 | 15
Available-for-sale securities, investment securities, Fair Value | 12,316 | 10,608
Mortgage-backed securities [Member] | FNMA [Member] |  |
Available for sale |  |
Total investment securities available for sale, Amortized Cost | 35,893 | 35,275
Total investment securities available for sale, Gross Unrealized Gains | 507 | 34
Total investment securities available for sale, Gross Unrealized Losses | 91 | 169
Available-for-sale securities, investment securities, Fair Value | 36,309 | 35,140
Mortgage-backed securities [Member] | GNMA [Member] |  |
Available for sale |  |
Total investment securities available for sale, Amortized Cost | 8,179 | 3,581
Total investment securities available for sale, Gross Unrealized Gains | 53 | 5
Total investment securities available for sale, Gross Unrealized Losses | 23 | 21
Available-for-sale securities, investment securities, Fair Value | $ 8,209 | $ 3,565

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