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Fair Value Measurements (Assets and Liabilities Measured on Recurring Basis) (Details) - USD ($) | Jun. 30, 2019 | Dec. 31, 2018 | Jun. 30, 2018
--- | --- | --- | ---
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 | 145,410,000 | $ 154,432,000 |
Equity securities, at fair value | 1,325,000 | 1,269,000 |
Total | 146,735,000 | 155,701,000 |
Fair Value, Inputs, Level 2 [Member] |  |  |
Investment securities: |  |  |
Investment securities available for sale, at fair value | 145,410,000 | 154,432,000 |
Equity securities, at fair value | 1,325,000 | 1,269,000 |
Total | 146,735,000 | 155,701,000 |
U.S. Government Agencies [Member] |  |  |
Investment securities: |  |  |
Investment securities available for sale, at fair value | 34,019,000 | 33,636,000 |
U.S. Government Agencies [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |
Investment securities: |  |  |
Investment securities available for sale, at fair value | 34,019,000 | 33,636,000 |
Mortgage Backed [Member] |  |  |
Investment securities: |  |  |
Investment securities available for sale, at fair value | 111,391,000 | 120,796,000 |
Mortgage Backed [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |
Investment securities: |  |  |
Investment securities available for sale, at fair value | $ 111,391,000 | $ 120,796,000 |

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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109979856&loc=d3e26610-111562 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563 + Details
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