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Consolidated Statement of Changes in Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Consolidated Statement of Changes in Comprehensive Income [Abstract]
Net income	$ 18,034	$ 13,025	$ 12,638
Securities available for sale
Unrealized holding loss during the period	(913)	(1,283)	(1,105)
Income tax (benefit)	(193)	(436)	(375)
Securities available for sale	(720)	(847)	(730)
Reclassification adjustment for (gains) losses included in income	19	(1,035)	(255)
Income tax (benefit)	4	(352)	(87)
Reclassification	15	(683)	(168)
Change in unrecognized pension costs	229	127	(391)
Income tax (benefit)	48	44	(133)
Other comprehensive gain (loss) gain on unrecognized pension costs	181	83	(258)
Net other comprehensive loss	(524)	(1,447)	(1,156)
Comprehensive income	$ 17,510	$ 11,578	$ 11,482

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