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Fair Value Measurements (Assets and Liabilities Measured on Recurring Basis) (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020 | Sep. 30, 2020
--- | --- | --- | ---
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Fair value assets transferred from , Level 1 to level 2 | $ 0 |  | $ 0
Fair value assets transferred from , Level 2 to level 1 | 0 |  | 0
Fair value assets transferred in | 0 |  | 0
Fair value assets transferred out | 0 |  | $ 0
Investment securities: |  |  |
Investment securities available for sale, at fair value | 105,125 | $ 139,568 |
Equity securities, at fair value | 1,384 | 1,395 |
Total | 106,509 | 140,963 |
Fair Value, Inputs, Level 2 [Member] |  |  |
Investment securities: |  |  |
Investment securities available for sale, at fair value | 105,125 | 139,568 |
Equity securities, at fair value | 1,384 | 1,395 |
Total | 106,509 | 140,963 |
U.S. Government Agencies [Member] |  |  |
Investment securities: |  |  |
Investment securities available for sale, at fair value | 17,983 | 23,537 |
U.S. Government Agencies [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |
Investment securities: |  |  |
Investment securities available for sale, at fair value | 17,983 | 23,537 |
Mortgage-backed [Member] |  |  |
Investment securities: |  |  |
Investment securities available for sale, at fair value | 87,142 | 116,031 |
Mortgage-backed [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |
Investment securities: |  |  |
Investment securities available for sale, at fair value | $ 87,142 | $ 116,031 |

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- Definition Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=99377092&loc=SL75136599-209740 + Details
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