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Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 3,767	$ 2,839
Other Comprehensive Income (Loss) (Net of Tax):
Net unrealized gain (loss) on available-for-salesecurities	(2,471)	412
Reclassification adjustment for gain on sale of available-for-sale securities		(31)
Net unrealized gain (loss) on available-for-salesecurities	(2,471)	381
Tax expense (benefit)	(519)	129
Other comprehensive income (loss)	(1,952)	252
Comprehensive Income	$ 1,815	$ 3,091

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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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