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Accumulated Other Comprehensive Loss (Tables) | 3 Months Ended
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Mar. 31, 2018
Equity [Abstract] |
Schedule of Changes in Component of Accumulated Other Comprehensive Loss | Changes in each component of accumulated other comprehensive loss were as follows (in thousands):
| Net Unrealized Gains (Losses) on Securities |  | Adjustments Related to Pension Benefits |  | Accumulated Other Comprehensive Loss
Balance at December 31, 2016 | $ | (860 | ) |  | $ | — |  |  | $ | (860 | )
Unrealized holding gains (net of tax, $196) | 381 |  |  | — |  |  | 381 |
Change during period | 381 |  |  | — |  |  | 381 |
Balance at March 31, 2017 | $ | (479 | ) |  | $ | — |  |  | $ | (479 | )
Balance at December 31, 2017 | $ | (1,057 | ) |  | $ | 99 |  |  | $ | (958 | )
Unrealized holding losses (net of tax, ($229)) | (862 | ) |  | — |  |  | (862 | )
Pension liability adjustment (net of tax, ($27)) | — |  |  | (99 | ) |  | (99 | )
Change during period | (862 | ) |  | (99 | ) |  | (961 | )
Balance at March 31, 2018 | $ | (1,919 | ) |  | $ | — |  |  | $ | (1,919 | )

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669686-108580 + Details
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