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Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Net Income | $ 16,914 us-gaap_NetIncomeLoss | $ 17,790 us-gaap_NetIncomeLoss | $ 17,747 us-gaap_NetIncomeLoss
Other Comprehensive Income (Loss), Net of Tax |  |  |
Unrealized holding gains (losses) on available for sale securities net of taxes of $6,693 in 2014, ($8,665) in 2013 and ($323) in 2012 | 12,430 us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax | (16,091)us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax | (569)us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
Reclassification adjustment for (gains) losses included in net income, net of taxes of ($1) in 2014, $19 in 2013 and ($16) in 2012 | (1)us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax | 33 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax | (30)us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax
Net pension gain (losses) arising during the period, net of taxes of ($574) in 2014, $1,022 in 2013, and ($405) in 2012 | (1,066)us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax | 1,898 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax | (752)us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax
Less amortization of prior service cost included in net periodic pension cost, net of taxes of ($39) in 2014, ($35) in 2013, and ($35) in 2012 | (71)us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax | (66)us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax | (66)us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax
Other comprehensive income (loss), net of taxes of $6,079 in 2014, ($7,659) in 2013 and ($779) in 2012 | 11,292 us-gaap_OtherComprehensiveIncomeLossNetOfTax | (14,226)us-gaap_OtherComprehensiveIncomeLossNetOfTax | (1,417)us-gaap_OtherComprehensiveIncomeLossNetOfTax
Total Comprehensive Income | $ 28,206 us-gaap_ComprehensiveIncomeNetOfTax | $ 3,564 us-gaap_ComprehensiveIncomeNetOfTax | $ 16,330 us-gaap_ComprehensiveIncomeNetOfTax

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