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Investment Securities (Summary of Cost Basis and Fair Values of Investment Securities) (Details) - USD ($) $ in Thousands | Jun. 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 | $ 120,702 | $ 124,316
Investment securities available for sale, Gross Unrealized Gains | 2,758 | 3,279
Investment securities available for sale, Gross Unrealized Losses | (592) | (485)
Available for Sale, Fair Value, Total | 122,868 | 127,110
Investment securities held to maturity, Cost Basis | 19,580 | 19,840
Investment securities held to maturity, Gross Unrealized Gains | 374 | 475
Investment securities held to maturity, Gross Unrealized Losses | (178) | (102)
Held to Maturity, Fair Value, Total | 19,776 | 20,213
U.S. Agency [Member] |  |
Available-For-Sale-Securities-And-Held-To-Maturity-Securities |  |
Investment securities available for sale, Cost Basis | 5,933 | 5,931
Investment securities available for sale, Gross Unrealized Gains | 22 | 21
Investment securities available for sale, Gross Unrealized Losses | (19) | (46)
Available for Sale, Fair Value, Total | 5,936 | 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 | 97,265 | 102,888
Investment securities available for sale, Gross Unrealized Gains | 2,708 | 3,197
Investment securities available for sale, Gross Unrealized Losses | (363) | (317)
Available for Sale, Fair Value, Total | 99,610 | 105,768
Investment securities held to maturity, Cost Basis | 11,680 | 12,481
Investment securities held to maturity, Gross Unrealized Gains | 304 | 395
Investment securities held to maturity, Gross Unrealized Losses | (73) | (50)
Held to Maturity, Fair Value, Total | 11,911 | 12,826
Corporate bonds [Member] |  |
Available-For-Sale-Securities-And-Held-To-Maturity-Securities |  |
Investment securities available for sale, Cost Basis | 17,504 | 15,497
Investment securities available for sale, Gross Unrealized Gains | 28 | 61
Investment securities available for sale, Gross Unrealized Losses | (210) | (122)
Available for Sale, Fair Value, Total | 17,322 | 15,436
Taxable Municipal [Member] |  |
Available-For-Sale-Securities-And-Held-To-Maturity-Securities |  |
Investment securities held to maturity, Cost Basis | 3,905 | 3,364
Investment securities held to maturity, Gross Unrealized Gains | 70 | 74
Investment securities held to maturity, Gross Unrealized Losses | (52) | (24)
Held to Maturity, Fair Value, Total | 3,923 | 3,414
Corporate bonds and other securities [Member] |  |
Available-For-Sale-Securities-And-Held-To-Maturity-Securities |  |
Investment securities held to maturity, Cost Basis | $ 3,995 | 3,995
Investment securities held to maturity, Gross Unrealized Gains |  | 6
Investment securities held to maturity, Gross Unrealized Losses | $ (53) | (28)
Held to Maturity, Fair Value, Total | $ 3,942 | $ 3,973

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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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