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Securities (Tables) | 6 Months Ended
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Jun. 30, 2015
Investments, Debt and Equity Securities [Abstract] |
Summary of Amortized Costs and Fair Values of Securities Available for Sale and Held to Maturity | Amortized costs and fair values of securities at June 30, 2015 and December 31, 2014 were as follows (in thousands):
|  | June 30, 2015 |
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized (Losses) |  |  | Fair Value |
Securities available for sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. agency and mortgage-backed securities |  | $ | 97,013 |  |  | $ | 289 |  |  | $ | (1,082 | ) |  | $ | 96,220 |
Obligations of states and political subdivisions |  |  | 16,084 |  |  |  | 253 |  |  |  | (96 | ) |  |  | 16,241 |
Corporate equity securities |  |  | 1 |  |  |  | 6 |  |  |  | — |  |  |  | 7 |
Total securities available for sale |  | $ | 113,098 |  |  | $ | 548 |  |  | $ | (1,178 | ) |  | $ | 112,468 |
Securities held to maturity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. agency and mortgage-backed securities |  | $ | 30,376 |  |  | $ | — |  |  | $ | (404 | ) |  | $ | 29,972 |
Obligations of states and political subdivisions |  |  | 6,967 |  |  |  | 2 |  |  |  | (90 | ) |  |  | 6,879 |
Total securities held to maturity |  | $ | 37,343 |  |  | $ | 2 |  |  | $ | (494 | ) |  | $ | 36,851 |
Total securities |  | $ | 150,441 |  |  | $ | 550 |  |  | $ | (1,672 | ) |  | $ | 149,319 |
|  | December 31, 2014 |
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized (Losses) |  |  | Fair Value |
Securities available for sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. agency and mortgage-backed securities |  | $ | 67,462 |  |  | $ | 374 |  |  | $ | (807 | ) |  | $ | 67,029 |
Obligations of states and political subdivisions |  |  | 16,031 |  |  |  | 325 |  |  |  | (99 | ) |  |  | 16,257 |
Corporate equity securities |  |  | 1 |  |  |  | 5 |  |  |  | — |  |  |  | 6 |
Total securities available for sale |  | $ | 83,494 |  |  | $ | 704 |  |  | $ | (906 | ) |  | $ | 83,292 |
Summary of Investments in an Unrealized Loss Position that were Temporarily Impaired | At June 30, 2015 and December 31, 2014, investments in an unrealized loss position that were temporarily impaired were as follows (in thousands):
|  | June 30, 2015 |
|  | Less than 12 months |  |  | 12 months or more |  |  | Total |
|  | Fair Value |  |  | Unrealized (Loss) |  |  | Fair Value |  |  | Unrealized (Loss) |  |  | Fair Value |  |  | Unrealized (Loss) |
Securities available for sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. agency and mortgage-backed securities |  | $ | 46,557 |  |  | $ | (537 | ) |  | $ | 20,815 |  |  | $ | (545 | ) |  | $ | 67,372 |  |  | $ | (1,082 | )
Obligations of states and political subdivisions |  |  | 5,176 |  |  |  | (48 | ) |  |  | 1,049 |  |  |  | (48 | ) |  |  | 6,225 |  |  |  | (96 | )
Total securities available for sale |  | $ | 51,733 |  |  | $ | (585 | ) |  | $ | 21,864 |  |  | $ | (593 | ) |  | $ | 73,597 |  |  | $ | (1,178 | )
Securities held to maturity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. agency and mortgage-backed securities |  | $ | 26,882 |  |  | $ | (404 | ) |  | $ | — |  |  | $ | — |  |  | $ | 26,882 |  |  | $ | (404 | )
Obligations of states and political subdivisions |  |  | 4,563 |  |  |  | (90 | ) |  |  | — |  |  |  | — |  |  |  | 4,563 |  |  |  | (90 | )
Total securities held to maturity |  | $ | 31,445 |  |  | $ | (494 | ) |  | $ | — |  |  | $ | — |  |  | $ | 31,445 |  |  | $ | (494 | )
Total securities |  | $ | 83,178 |  |  | $ | (1,079 | ) |  | $ | 21,864 |  |  | $ | (593 | ) |  | $ | 105,042 |  |  | $ | (1,672 | )
|  | December 31, 2014 |
|  | Less than 12 months |  |  | 12 months or more |  |  | Total |
|  | Fair Value |  |  | Unrealized (Loss) |  |  | Fair Value |  |  | Unrealized (Loss) |  |  | Fair Value |  |  | Unrealized (Loss) |
Securities available for sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. agency and mortgage-backed securities |  | $ | 8,677 |  |  | $ | (60 | ) |  | $ | 32,527 |  |  | $ | (747 | ) |  | $ | 41,204 |  |  | $ | (807 | )
Obligations of states and political subdivisions |  |  | 715 |  |  |  | (1 | ) |  |  | 2,841 |  |  |  | (98 | ) |  |  | 3,556 |  |  |  | (99 | )
Total securities available for sale |  | $ | 9,392 |  |  | $ | (61 | ) |  | $ | 35,368 |  |  | $ | (845 | ) |  | $ | 44,760 |  |  | $ | (906 | )
Amortized Cost and Fair Value of Securities |
|  | Available for Sale |  |  | Held to Maturity |
|  | Amortized Cost |  |  | Fair Value |  |  | Amortized Cost |  |  | Fair Value |
Due within one year |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Due after one year through five years |  |  | 6,945 |  |  |  | 6,976 |  |  |  | — |  |  |  | — |
Due after five years through ten years |  |  | 21,699 |  |  |  | 21,557 |  |  |  | 10,062 |  |  |  | 9,890 |
Due after ten years |  |  | 84,453 |  |  |  | 83,929 |  |  |  | 27,281 |  |  |  | 26,961 |
Corporate equity securities |  |  | 1 |  |  |  | 6 |  |  |  | — |  |  |  | — |
|  | $ | 113,098 |  |  | $ | 112,468 |  |  | $ | 37,343 |  |  | $ | 36,851 |
Composition of Restricted Securities | The composition of restricted securities at June 30, 2015 and December 31, 2014 was as follows (in thousands):
|  | June 30, 2015 |  |  | December 31, 2014 |
Federal Home Loan Bank stock |  | $ | 466 |  |  | $ | 470 |
Federal Reserve Bank stock |  |  | 875 |  |  |  | 846 |
Community Bankers’ Bank stock |  |  | 50 |  |  |  | 50 |
|  | $ | 1,391 |  |  | $ | 1,366 |

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