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Investment Securities (Unrealized Gain (Loss) on Investments) (Details) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Schedule of Investments [Line Items] |  |
Investment securities - available-for-sale (at fair value) | $ 170,232 | $ 221,117
Held-to-maturity Amortized cost | 105,560 | 109,449
Investment securities - HTM | 106,742 | 110,771
US Treasury Securities [Member] |  |
Schedule of Investments [Line Items] |  |
Investment securities - available-for-sale (at fair value) |  | 29,596
US government agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Investment securities - available-for-sale (at fair value) | 33,964 | 38,941
Residential mortgage-backed agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Investment securities - available-for-sale (at fair value) | 14,170 | 45,273
Held-to-maturity Amortized cost | 53,734 |
Investment securities - HTM | 53,912 |
Commercial mortgage-backed agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Investment securities - available-for-sale (at fair value) | 43,636 | 25,957
Held-to-maturity Amortized cost | 18,078 |
Investment securities - HTM | 18,232 |
Collateralized mortgage obligations [Member] |  |
Schedule of Investments [Line Items] |  |
Investment securities - available-for-sale (at fair value) | 9,610 | 8,707
Held-to-maturity Amortized cost | 6,419 |
Investment securities - HTM | 6,297 |
Obligations of states and political subdivisions [Member] |  |
Schedule of Investments [Line Items] |  |
Investment securities - available-for-sale (at fair value) | 46,641 | 47,304
Collateralized debt obligations [Member] |  |
Schedule of Investments [Line Items] |  |
Investment securities - available-for-sale (at fair value) | $ 22,211 | $ 25,339

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- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. + 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=28360136&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562 + Details
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- Definition Amount after other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.6) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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