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Investment Securities (Summary of Cost Basis and Fair Values of Investment Securities) (Details) - USD ($) $ in Thousands | Sep. 30, 2015 | Dec. 31, 2014
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Available-For-Sale-Securities-And-Held-To-Maturity-Securities |  |
Investment securities available for sale, Cost Basis | $ 112,061 | $ 124,316
Investment securities available for sale, Gross Unrealized Gains | 2,902 | 3,279
Investment securities available for sale, Gross Unrealized Losses | (311) | (485)
Available for Sale, Fair Value, Total | 114,652 | 127,110
Investment securities held to maturity, Cost Basis | 20,361 | 19,840
Investment securities held to maturity, Gross Unrealized Gains | 484 | 475
Investment securities held to maturity, Gross Unrealized Losses | (74) | (102)
Held to Maturity, Fair Value, Total | 20,771 | 20,213
U.S. Agency [Member] |  |
Available-For-Sale-Securities-And-Held-To-Maturity-Securities |  |
Investment securities available for sale, Cost Basis | 2,900 | 5,931
Investment securities available for sale, Gross Unrealized Gains | 1 | 21
Investment securities available for sale, Gross Unrealized Losses | (1) | (46)
Available for Sale, Fair Value, Total | 2,900 | 5,906
U.S. Agency mortgage-backed securities [Member] |  |
Available-For-Sale-Securities-And-Held-To-Maturity-Securities |  |
Investment securities available for sale, Cost Basis | 91,656 | 102,888
Investment securities available for sale, Gross Unrealized Gains | 2,830 | 3,197
Investment securities available for sale, Gross Unrealized Losses | (144) | (317)
Available for Sale, Fair Value, Total | 94,342 | 105,768
Investment securities held to maturity, Cost Basis | 11,208 | 12,481
Investment securities held to maturity, Gross Unrealized Gains | 374 | 395
Investment securities held to maturity, Gross Unrealized Losses | (4) | (50)
Held to Maturity, Fair Value, Total | 11,578 | 12,826
Corporate bonds [Member] |  |
Available-For-Sale-Securities-And-Held-To-Maturity-Securities |  |
Investment securities available for sale, Cost Basis | 17,505 | 15,497
Investment securities available for sale, Gross Unrealized Gains | 71 | 61
Investment securities available for sale, Gross Unrealized Losses | (166) | (122)
Available for Sale, Fair Value, Total | 17,410 | 15,436
Taxable Municipal [Member] |  |
Available-For-Sale-Securities-And-Held-To-Maturity-Securities |  |
Investment securities held to maturity, Cost Basis | 4,153 | 3,364
Investment securities held to maturity, Gross Unrealized Gains | 93 | 74
Investment securities held to maturity, Gross Unrealized Losses | (12) | (24)
Held to Maturity, Fair Value, Total | 4,234 | 3,414
Corporate bonds and other securities [Member] |  |
Available-For-Sale-Securities-And-Held-To-Maturity-Securities |  |
Investment securities held to maturity, Cost Basis | 5,000 | 3,995
Investment securities held to maturity, Gross Unrealized Gains | 17 | 6
Investment securities held to maturity, Gross Unrealized Losses | (58) | (28)
Held to Maturity, Fair Value, Total | $ 4,959 | $ 3,973

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- Definition Amount of accumulated pre-tax unrealized gains on investments in available-for-sale securities that are recognized in Accumulated Other Comprehensive Income (AOCI). + References No definition available. + Details
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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=51813488&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=49167202&loc=d3e26610-111562 + Details
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- Definition This item represents the cost of debt and equity 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 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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