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Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Statement Of Income And Comprehensive Income [Abstract]
Net Income	$ 3,875	$ 3,222	$ 11,756	$ 9,284
Other Comprehensive Income (Loss) (Net of Tax):
Net unrealized gain (loss) on available-for-sale securities	(617)	(472)	(3,432)	1,984
Reclassification adjustment for gain on sale of available-for-sale securities	(10)		(10)	(47)
Net unrealized gain (loss) on available-for-sale securities	(627)	(472)	(3,442)	1,937
Tax expense (benefit)	(132)	(160)	(723)	659
Other comprehensive income (loss)	(495)	(312)	(2,719)	1,278
Comprehensive Income	$ 3,380	$ 2,910	$ 9,037	$ 10,562

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