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Securities (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2015 | Dec. 31, 2014
Summary of amortized cost and approximate fair values of securities |  |
Amortized Cost | $ 93,730 | $ 83,848
Gross Unrealized Gains | 1,887 | 1,681
Gross Unrealized Losses | (135) | (289)
Securities available for sale, at fair value | 95,482 | 85,240
U.S. Treasury and Government Agencies [Member] |  |
Summary of amortized cost and approximate fair values of securities |  |
Amortized Cost | 11,150 | 15,187
Gross Unrealized Gains | $ 157 | 124
Gross Unrealized Losses |  | (4)
Securities available for sale, at fair value | $ 11,307 | 15,307
Mortgage-backed securities [Member] |  |
Summary of amortized cost and approximate fair values of securities |  |
Amortized Cost | 65,003 | 50,563
Gross Unrealized Gains | 773 | 462
Gross Unrealized Losses | (135) | (285)
Securities available for sale, at fair value | 65,641 | 50,740
State and political subdivisions [Member] |  |
Summary of amortized cost and approximate fair values of securities |  |
Amortized Cost | 17,554 | 18,075
Gross Unrealized Gains | $ 957 | $ 1,095
Gross Unrealized Losses |  |
Securities available for sale, at fair value | $ 18,511 | $ 19,170
Equity securities [Member] |  |
Summary of amortized cost and approximate fair values of securities |  |
Amortized Cost | $ 23 | $ 23
Gross Unrealized Gains |  |
Gross Unrealized Losses |  |
Securities available for sale, at fair value | $ 23 | $ 23

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- Definition Amount of investment in debt and equity securities categorized neither as trading securities nor held-to-maturity securities and intended be sold or mature one year or operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=51813488&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=49167202&loc=d3e26626-111562 + Details
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