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Securities (Tables) | 9 Months Ended
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Sep. 30, 2013
Investments Debt And Equity Securities [Abstract] |
Summary of Amortized Costs and Fair Values of Securities Available for Sale | Amortized costs and fair values of securities available for sale at September 30, 2013 and December 31, 2012 were as follows:
|  | (in thousands) September 30, 2013 |
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized (Losses) |  |  | Fair Value |
U.S. agency and mortgage-backed securities |  | $ | 88,054 |  |  | $ | 726 |  |  | $ | (1,949 | ) |  | $ | 86,831 |
Obligations of states and political subdivisions |  |  | 18,690 |  |  |  | 395 |  |  |  | (600 | ) |  |  | 18,485 |
Corporate equity securities |  |  | 1 |  |  |  | 4 |  |  |  | — |  |  |  | 5 |
|  | $ | 106,745 |  |  | $ | 1,125 |  |  | $ | (2,549 | ) |  | $ | 105,321 |
|  | (in thousands) December 31, 2012 |
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized (Losses) |  |  | Fair Value |
U.S. agency and mortgage-backed securities |  | $ | 72,129 |  |  | $ | 1,325 |  |  | $ | (236 | ) |  | $ | 73,218 |
Obligations of states and political subdivisions |  |  | 15,556 |  |  |  | 762 |  |  |  | (83 | ) |  |  | 16,235 |
Corporate equity securities |  |  | 1 |  |  |  | 2 |  |  |  | — |  |  |  | 3 |
|  | $ | 87,686 |  |  | $ | 2,089 |  |  | $ | (319 | ) |  | $ | 89,456 |
Summary of Investments in an Unrealized Loss Position that were Temporarily Impaired | At September 30, 2013 and December 31, 2012, investments in an unrealized loss position that were temporarily impaired were as follows:
|  | (in thousands) September 30, 2013 |
|  | Less than 12 months |  |  | 12 months or more |  |  | Total |
|  | Fair Value |  |  | Unrealized (Loss) |  |  | Fair Value |  |  | Unrealized (Loss) |  |  | Fair Value |  |  | Unrealized (Loss) |
U.S. agency and mortgage-backed securities |  | $ | 50,796 |  |  | $ | (1,753 | ) |  | $ | 5,877 |  |  | $ | (196 | ) |  | $ | 56,673 |  |  | $ | (1,949 | )
Obligations of states and political subdivisions |  |  | 7,447 |  |  |  | (445 | ) |  |  | 2,418 |  |  |  | (155 | ) |  |  | 9,865 |  |  |  | (600 | )
|  | $ | 58,243 |  |  |  | (2,198 | ) |  | $ | 8,295 |  |  | $ | (351 | ) |  | $ | 66,538 |  |  | $ | (2,549 | )
|  | (in thousands) December 31, 2012 |
|  | Less than 12 months |  |  | 12 months or more |  |  | Total |
|  | Fair Value |  |  | Unrealized (Loss) |  |  | Fair Value |  |  | Unrealized (Loss) |  |  | Fair Value |  |  | Unrealized (Loss) |
U.S. agency and mortgage-backed securities |  | $ | 19,612 |  |  | $ | (236 | ) |  | $ | — |  |  | $ | — |  |  | $ | 19,612 |  |  | $ | (236 | )
Obligations of states and political subdivisions |  |  | 4,287 |  |  |  | (83 | ) |  |  | — |  |  |  | — |  |  |  | 4,287 |  |  |  | (83 | )
|  | $ | 23,899 |  |  | $ | (319 | ) |  | $ | — |  |  | $ | — |  |  | $ | 23,899 |  |  | $ | (319 | )
Composition of Restricted Securities | The composition of restricted securities at September 30, 2013 and December 31, 2012 was as follows:
|  | (in thousands) |
|  | September 30, 2013 |  |  | December 31, 2012 |
Federal Home Loan Bank stock |  | $ | 908 |  |  | $ | 1,078 |
Federal Reserve Bank stock |  |  | 846 |  |  |  | 846 |
Community Bankers’ Bank stock |  |  | 50 |  |  |  | 50 |
|  | $ | 1,804 |  |  | $ | 1,974 |

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- Definition For all investments in an unrealized loss position, including those for which other-than-temporary impairments have not been recognized in earnings (including investments for which a portion of an other-than-temporary impairment has been recognized in other comprehensive income), a tabular disclosure of the aggregate related fair value of investments with unrealized losses and the aggregate amount of unrealized losses (that is, the amount by which amortized cost basis exceeds fair value). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 + Details
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