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Consolidated Comprehensive Income statements - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Statement Of Income And Comprehensive Income [Abstract] |  |  |
Net income | $ 15,872 | $ 17,217 | $ 12,745
Other comprehensive income (loss): |  |  |
Unrealized holding gains (loss) on available for sale securities | 987 | (2,342) | (267)
Tax effect | (375) | 796 | 91
Pension liability adjustment | 1,129 | (448) | (412)
Tax effect | (329) | 152 | 140
Total other comprehensive income (loss) | 1,412 | (1,842) | (448)
Comprehensive income | $ 17,284 | $ 15,375 | $ 12,297

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- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=84228862&loc=d3e557-108580 + Details
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