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Investment Securities (Details) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2021 USD ($) security shares | Dec. 31, 2020 USD ($) security shares | Dec. 31, 2019 USD ($) $ / shares | Sep. 30, 2021 USD ($) | Dec. 31, 2018 USD ($) shares
Schedule of Available-for-sale Securities |  |  |  |  |
Common stock, shares outstanding | shares | 2,853,880 | 2,842,040 |  |  |
Total Unrealized Loss | $ 2,105,000 | $ 336,000 |  |  |
Unrealized losses on securities | 2,100,000 | 300,000 |  |  |
Investment securities available for sale, at fair value | 155,927,000 | 114,049,000 |  |  |
Sales of available for sale debt securities | 32,700,000 | 0 |  |  |
Realized gain (loss) on sale | 588,000,000 | 6,000 |  |  |
Interest rate swap |  |  |  |  |
Schedule of Available-for-sale Securities |  |  |  |  |
Investment securities pledged as collateral | $ 1,200,000 | 900,000 |  |  |
Maryland Financial Bank |  |  |  |  |
Schedule of Available-for-sale Securities |  |  |  |  |
Liquidating distributions (per share) | $ / shares |  |  | $ 0.53 |  |
Common stock, shares outstanding | shares |  |  |  |  | 5,000
Common stock, value outstanding |  | 2,650,000 | $ 5,000,000 |  |
Total Unrealized Loss |  | $ 2,350,000 |  | $ 25,000 | $ 25,000
Private Label Mortgage-Backed securities |  |  |  |  |
Schedule of Available-for-sale Securities |  |  |  |  |
Number of investment securities portfolio held | security | 0 | 0 |  |  |
Collateralized mortgage obligations |  |  |  |  |
Schedule of Available-for-sale Securities |  |  |  |  |
Number of investment securities portfolio held | security | 0 | 0 |  |  |
Number of securities continuous unrealized loss position more than twelve months | security | 25 |  |  |  |
Total Unrealized Loss | $ 211,000 | $ 14,000 |  |  |
Investment securities available for sale, at fair value | $ 21,688,000 | 24,643,000 |  |  |
Agency mortgage-backed securities |  |  |  |  |
Schedule of Available-for-sale Securities |  |  |  |  |
Number of securities continuous unrealized loss position more than twelve months | security | 29 |  |  |  |
Total Unrealized Loss | $ 419,000 | 10,000 |  |  |
Investment securities available for sale, at fair value | $ 56,189,000 | 26,948,000 |  |  |
Corporate securities |  |  |  |  |
Schedule of Available-for-sale Securities |  |  |  |  |
Number of securities continuous unrealized loss position more than twelve months | security | 1 |  |  |  |
Total Unrealized Loss | $ 26,000 |  |  |  |
Investment securities available for sale, at fair value | $ 1,474,000 |  |  |  |
Municipal securities |  |  |  |  |
Schedule of Available-for-sale Securities |  |  |  |  |
Number of securities continuous unrealized loss position more than twelve months | security | 9 |  |  |  |
Total Unrealized Loss | $ 180,000 | 2,000 |  |  |
Investment securities available for sale, at fair value | $ 45,225,000 | 29,413,000 |  |  |
U.S. Government agency securities |  |  |  |  |
Schedule of Available-for-sale Securities |  |  |  |  |
Number of securities continuous unrealized loss position more than twelve months | security | 52 |  |  |  |
Total Unrealized Loss | $ 1,269,000 | 310,000 |  |  |
Investment securities available for sale, at fair value | $ 31,351,000 | $ 33,045,000 |  |  |

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