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TAX EFFECT ALLOCATED TO EACH COMPONENT OF OTHER COMPREHENSIVE INCOME (LOSS) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Statement of Income and Comprehensive Income    
Amortization of net losses $ (2,101) $ (2,186)
Amortization of prior service credit 338 370
Unrealized holding losses on debt securities arising during the period 6,785 322
Unrealized holding gain on equity securities arising during the period 0 (24)
Reclassification adjustment for gains included in net income 0 32
Unrealized net (losses) gains on cash flow hedges (478) 248
Reclassification adjustment for net losses (gains) included in net income 494 (333)
Income tax benefit (expense) $ 5,038 $ (1,571)