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Investment Securities (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Investment Securities |  |
Amortized Cost | $ 71,437 | $ 83,563
Gross Unrealized Gains | 393 | 90
Gross Unrealized Losses | (344) | (2,081)
Fair Value | 71,486 | 81,572
Collateralized mortgage obligations |  |
Investment Securities |  |
Amortized Cost | 27,618 | 20,463
Gross Unrealized Gains | 52 | 6
Gross Unrealized Losses | (187) | (663)
Fair Value | 27,483 | 19,806
Agency mortgage-backed securities |  |
Investment Securities |  |
Amortized Cost | 27,823 | 25,895
Gross Unrealized Gains | 149 | 6
Gross Unrealized Losses | (135) | (914)
Fair Value | 27,837 | 24,987
Municipal securities |  |
Investment Securities |  |
Amortized Cost | 12,301 | 34,205
Gross Unrealized Gains | 191 | 78
Gross Unrealized Losses | (17) | (453)
Fair Value | 12,475 | 33,830
U.S. Government agency securities |  |
Investment Securities |  |
Amortized Cost | 3,195 | 1,999
Gross Unrealized Gains | 1 |
Gross Unrealized Losses | (5) | (40)
Fair Value | 3,191 | 1,959
U.S. Treasury securities |  |
Investment Securities |  |
Amortized Cost | 500 | 1,001
Gross Unrealized Losses |  | (11)
Fair Value | $ 500 | $ 990

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- Definition Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27161-111563 + Details
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- Definition Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27161-111563 + Details
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