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Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2018 | Mar. 31, 2017
Statement of Comprehensive Income [Abstract] |  |
Net income | $ 7,097 | $ 6,480
Net change in fair value of interest rate swap agreements designated as cash flow hedges: |  |
Unrealized gain on interest rate swaps, net of tax of ($4) and ($3), respectively | 16 | 6
Reclassification adjustment for losses recognized in earnings, net of tax of ($12) and ($27), respectively | 46 | 49
Net change in fair value of interest rate swap agreements designated as cash flow hedges | 62 | 55
Unrealized gains on other-than-temporarily impaired securities available for sale: |  |
Unrealized gains arising during the period, net of tax of $0 and ($47), respectively | 0 | 87
Reclassification adjustment for realized gains included in net income, net of tax of $0 and $484, respectively | 0 | (899)
Unrealized gains on other-than-temporarily impaired securities available for sale net of reclassification adjustment for realized gains (losses) included in net income | 0 | (812)
Unrealized gains on other securities available for sale: |  |
Unrealized (losses) gains arising during the period, net of tax of $1,053 and ($456), respectively | (3,964) | 850
Other comprehensive income (loss) | (3,902) | 93
COMPREHENSIVE INCOME | $ 3,195 | $ 6,573

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