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Securities (Tables) | 9 Months Ended
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Sep. 30, 2017
Available-for-sale Securities [Abstract] |
Amortized Costs And Fair Values Of Securities Available For Sale | Amortized costs and fair values of securities available for sale at September 30, 2017 and December 31, 2016 were as follows:
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized (Losses) |  | Fair Value
| September 30, 2017
| (in thousands)
Obligations of U.S. government corporations and agencies | $ | 31,384 |  |  | $ | 398 |  |  | $ | (175 | ) |  | $ | 31,607 |
Mortgage-backed securities | 44,674 |  |  | 233 |  |  | (217 | ) |  | 44,690 |
Obligations of states and political subdivisions | 47,337 |  |  | 1,086 |  |  | (142 | ) |  | 48,281 |
| $ | 123,395 |  |  | $ | 1,717 |  |  | $ | (534 | ) |  | $ | 124,578 |
| December 31, 2016
| (in thousands)
Obligations of U.S. government corporations and agencies | $ | 30,404 |  |  | $ | 316 |  |  | $ | (279 | ) |  | $ | 30,441 |
Mortgage-backed securities | 42,681 |  |  | 147 |  |  | (456 | ) |  | 42,372 |
Obligations of states and political subdivisions | 46,271 |  |  | 770 |  |  | (592 | ) |  | 46,449 |
| $ | 119,356 |  |  | $ | 1,233 |  |  | $ | (1,327 | ) |  | $ | 119,262 |
Fair Value And Gross Unrealized Losses For Securities Available For Sale | The fair value and gross unrealized losses for securities available for sale, totaled by the length of time that individual securities have been in a continuous gross unrealized loss position, at September 30, 2017 and December 31, 2016 were as follows:
| Less than 12 months |  | 12 months or more |  | Total
| Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses
| September 30, 2017
| (in thousands)
Obligations of U.S. government corporations and agencies | $ | 6,412 |  |  | $ | 84 |  |  | $ | 2,923 |  |  | $ | 91 |  |  | $ | 9,335 |  |  | $ | 175 |
Mortgage-backed securities | 16,145 |  |  | 144 |  |  | 2,611 |  |  | 73 |  |  | 18,756 |  |  | 217 |
Obligations of states and political subdivisions | 3,488 |  |  | 56 |  |  | 3,119 |  |  | 86 |  |  | 6,607 |  |  | 142 |
| $ | 26,045 |  |  | $ | 284 |  |  | $ | 8,653 |  |  | $ | 250 |  |  | $ | 34,698 |  |  | $ | 534 |
| December 31, 2016
| (in thousands)
Obligations of U.S. government corporations and agencies | $ | 19,129 |  |  | $ | 279 |  |  | $ | — |  |  | $ | — |  |  | $ | 19,129 |  |  | $ | 279 |
Mortgage-backed securities | 28,013 |  |  | 456 |  |  | — |  |  | — |  |  | 28,013 |  |  | 456 |
Obligations of states and political subdivisions | 16,823 |  |  | 592 |  |  | — |  |  | — |  |  | 16,823 |  |  | 592 |
| $ | 63,965 |  |  | $ | 1,327 |  |  | $ | — |  |  | $ | — |  |  | $ | 63,965 |  |  | $ | 1,327 |
Restricted Investments | The composition of restricted investments at September 30, 2017 and December 31, 2016 was as follows:
| September 30, 2017 |  | December 31, 2016
| (in thousands)
Federal Reserve Bank Stock | $ | 344 |  |  | $ | 344 |
Federal Home Loan Bank Stock | 623 |  |  | 584 |
Community Bankers’ Bank Stock | 140 |  |  | 140 |
| $ | 1,107 |  |  | $ | 1,068 |

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- Definition Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value. + References No definition available. + Details
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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=82897076&loc=d3e27290-111563 + Details
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