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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Statement of Comprehensive Income [Abstract]
Net income	$ 7,333	$ 6,168	$ 6,090
Other comprehensive income:
Changes in net unrealized gains (losses) on investment securities available for sale, net of tax expense (benefit) of $(196), $324, and $(812) for the years ended December 31, 2018, 2017, and 2016, respectively	(737)	628	(1,573)
Reclassification adjustment for realized gain on sale of investment securities available for sale included in net income, net of tax expense (benefit) of $(7), $95, and $(106) for the years ended December 31, 2018, 2017, and 2016, respectively	(27)	185	(206)
Change in adjustment for postretirement benefits, net of tax expense (benefit) of $10, $(9), and $(12) for the years ended December 31, 2018, 2017, and 2016, respectively	39	(17)	(22)
Other comprehensive income (loss), net of tax	(725)	796	(1,801)
Comprehensive income	$ 6,608	$ 6,964	$ 4,289

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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