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Securities (Details) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Debt securities available-for-sale: |  |
Amortized Cost | $ 153,566 | $ 131,046
Gross Unrealized Gains | 165 | 209
Gross Unrealized Losses | (1,787) | (1,833)
Fair Value | 151,944 | 129,422
U.S. Government-sponsored enterprises (GSEs) [Member] |  |
Debt securities available-for-sale: |  |
Amortized Cost | 26,207 | 18,279
Gross Unrealized Gains | 1 | 8
Gross Unrealized Losses | (432) | (564)
Fair Value | 25,776 | 17,723
Muncipal Securities [Member] |  |
Debt securities available-for-sale: |  |
Amortized Cost | 9,122 | 8,182
Gross Unrealized Gains | 28 | 16
Gross Unrealized Losses | (147) | (179)
Fair Value | 9,003 | 8,019
Other Debt Securities [Member] |  |
Debt securities available-for-sale: |  |
Amortized Cost | 974 |
Gross Unrealized Gains | 0 |
Gross Unrealized Losses | (24) |
Fair Value | 950 |
Mortgage Backed Securities [Member] |  |
Debt securities available-for-sale: |  |
Amortized Cost | 117,263 | 104,585
Gross Unrealized Gains | 136 | 185
Gross Unrealized Losses | (1,184) | (1,090)
Fair Value | $ 116,215 | $ 103,680

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- Definition This item represents the cost of debt securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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