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Accumulated Other Comprehensive Income (Tables) | 9 Months Ended
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Sep. 30, 2018
Accumulated Other Comprehensive Income [Abstract] |
Amounts Reclassified from Accumulated Other Comprehensive Income (AOCI) | Amounts reclassified from accumulated other comprehensive income (AOCI) and the affected line items in the statements of income during the three and nine months ended September 30, 2018 and 2017 were:
|  | Amounts Reclassified from AOCI |
(in thousands) |  | Three Months Ended September 30 |  |  | Nine Months Ended September 30 |
| 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |
Affected line item in the statements of income |  |  |  |  |  |  |  |  |  |  |  |
Securities gains |  | $ | (2 | ) |  | $ | 48 |  |  | $ | 149 |  |  | $ | 58 |
Tax expense |  |  | 0 |  |  |  | 17 |  |  |  | 32 |  |  |  | 20 |
Total reclassifications out of AOCI |  | $ | (2 | ) |  | $ | 31 |  |  | $ | 117 |  |  | $ | 38 |

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- Definition Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss). + References No definition available. + Details
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