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Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Net income	$ 36,340	$ 21,485	$ 25,126
Available-for-sale debt securities:
Change in net unrealized (losses) gains on securities without other-than-temporary impairment	(2,213)	1,445	1,035
Reclassification adjustment for net loss (gain) recognized in net income	618	661	(335)
Reclassification adjustment for other-than-temporary impairment losses recognized in net income			4,646
Net unrealized (losses) gains on available-for-sale debt securities	(1,595)	2,106	5,346
Employee benefit plans:
Net actuarial (loss) gain	565	48	(367)
Plan change		(258)	(69)
Reclassification adjustment for amortization of prior service cost and net actuarial loss recognized in net income	285	259	273
Net unrealized gains (losses) on employee benefit plans	850	49	(163)
Other comprehensive (loss) income, before tax	(745)	2,155	5,183
Income tax expense (benefit)	(156)	740	1,947
Other comprehensive income (loss), net	(589)	1,415	3,236
Total comprehensive income	$ 35,751	$ 22,900	$ 28,362

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