Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Statement Of Income And Comprehensive Income [Abstract]
Net Income	$ 3,224	$ 3,767
Other Comprehensive Income (Loss) (Net of Tax):
Net unrealized gain (loss) on available-for-sale securities	1,749	(2,471)
Reclassification adjustment for loss on sale of available-for-sale securities	26
Net unrealized gain (loss) on available-for-sale securities	1,775	(2,471)
Tax expense (benefit)	373	(519)
Other comprehensive income (loss)	1,402	(1,952)
Comprehensive Income	$ 4,626	$ 1,815

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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