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Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Net income	$ 8,868	$ 6,202
Other comprehensive income, before tax
Change in net unrealized (losses) gains on securities without other-than-temporary impairment	(2,147)	651
Net unrealized (losses) gains on available-for-sale securities	(2,147)	651
Net actuarial (loss) gain	(1)	133
Reclassification adjustment for amortization of prior service cost and net actuarial loss recognized in net income	71	64
Net unrealized gains on employee benefit plans	70	197
Other comprehensive (loss) income, before tax	(2,077)	848
Income tax (benefit) expense	(436)	318
Other comprehensive income (loss), net	(1,641)	530
Total comprehensive income	$ 7,227	$ 6,732

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