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Securities (Tables) | 9 Months Ended
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Sep. 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 September 30, 2015 and December 31, 2014 were as follows (in thousands):
|  | September 30, 2015 |
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized (Losses) |  |  | Fair Value |
Securities available for sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. agency and mortgage-backed securities |  | $ | 92,758 |  |  | $ | 568 |  |  | $ | (463 | ) |  | $ | 92,863 |
Obligations of states and political subdivisions |  |  | 16,037 |  |  |  | 308 |  |  |  | (50 | ) |  |  | 16,295 |
Corporate equity securities |  |  | 1 |  |  |  | 7 |  |  |  | — |  |  |  | 8 |
Total securities available for sale |  | $ | 108,796 |  |  | $ | 883 |  |  | $ | (513 | ) |  | $ | 109,166 |
Securities held to maturity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. agency and mortgage-backed securities |  | $ | 42,490 |  |  | $ | 137 |  |  | $ | (124 | ) |  | $ | 42,503 |
Obligations of states and political subdivisions |  |  | 11,786 |  |  |  | 55 |  |  |  | (41 | ) |  |  | 11,800 |
Total securities held to maturity |  | $ | 54,276 |  |  | $ | 192 |  |  | $ | (165 | ) |  | $ | 54,303 |
Total securities |  | $ | 163,072 |  |  | $ | 1,075 |  |  | $ | (678 | ) |  | $ | 163,469 |
|  | 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 September 30, 2015 and December 31, 2014, investments in an unrealized loss position that were temporarily impaired were as follows (in thousands):
|  | September 30, 2015 |
|  | Less than 12 months |  |  | 12 months or more |  |  | Total |
|  |  |  |  | Unrealized |  |  |  |  |  | Unrealized |  |  |  |  |  | Unrealized |
|  | Fair Value |  |  | (Loss) |  |  | Fair Value |  |  | (Loss) |  |  | Fair Value |  |  | (Loss) |
Securities available for sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. agency and mortgage-backed securities |  | $ | 24,974 |  |  | $ | (125 | ) |  | $ | 18,114 |  |  | $ | (338 | ) |  | $ | 43,088 |  |  | $ | (463 | )
Obligations of states and political subdivisions |  |  | 2,286 |  |  |  | (15 | ) |  |  | 1,058 |  |  |  | (35 | ) |  |  | 3,344 |  |  |  | (50 | )
Total securities available for sale |  | $ | 27,260 |  |  | $ | (140 | ) |  | $ | 19,172 |  |  | $ | (373 | ) |  | $ | 46,432 |  |  | $ | (513 | )
Securities held to maturity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. agency and mortgage-backed securities |  | $ | 14,612 |  |  | $ | (124 | ) |  | $ | — |  |  | $ | — |  |  | $ | 14,612 |  |  | $ | (124 | )
Obligations of states and political subdivisions |  |  | 5,000 |  |  |  | (41 | ) |  |  | — |  |  |  | — |  |  |  | 5,000 |  |  |  | (41 | )
Total securities held to maturity |  | $ | 19,612 |  |  | $ | (165 | ) |  | $ | — |  |  | $ | — |  |  | $ | 19,612 |  |  | $ | (165 | )
Total securities |  | $ | 46,872 |  |  | $ | (305 | ) |  | $ | 19,172 |  |  | $ | (373 | ) |  | $ | 66,044 |  |  | $ | (678 | )
|  | December 31, 2014 |
|  | Less than 12 months |  |  | 12 months or more |  |  | Total |
|  |  |  |  | Unrealized |  |  |  |  |  | Unrealized |  |  |  |  |  | Unrealized |
|  | Fair Value |  |  | (Loss) |  |  | Fair Value |  |  | (Loss) |  |  | Fair Value |  |  | (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 |  |  | Fair |  |  | Amortized |  |  | Fair |
|  | Cost |  |  | Value |  |  | Cost |  |  | Value |
Due within one year |  | $ | 391 |  |  | $ | 393 |  |  | $ | — |  |  | $ | — |
Due after one year through five years |  |  | 7,806 |  |  |  | 7,853 |  |  |  | 633 |  |  |  | 631 |
Due after five years through ten years |  |  | 20,377 |  |  |  | 20,499 |  |  |  | 15,215 |  |  |  | 15,245 |
Due after ten years |  |  | 80,221 |  |  |  | 80,413 |  |  |  | 38,428 |  |  |  | 38,427 |
Corporate equity securities |  |  | 1 |  |  |  | 8 |  |  |  | — |  |  |  | — |
|  | $ | 108,796 |  |  | $ | 109,166 |  |  | $ | 54,276 |  |  | $ | 54,303 |
Composition of Restricted Securities | The composition of restricted securities at September 30, 2015 and December 31, 2014 was as follows (in thousands):
|  | September 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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