Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement Of Income And Comprehensive Income [Abstract]
Net Income	$ 4,909	$ 4,105
Other Comprehensive Income (Loss) (Net of Tax):
Net unrealized gain (loss) on available-for-sale securities	(6,737)	4,998
Reclassification adjustment for realized gain on sale of available-for-sale securities	(293)	(270)
Net unrealized gain (loss) on available-for-sale securities	(7,030)	4,728
Tax expense (benefit)	(1,476)	993
Other comprehensive income (loss)	(5,554)	3,735
Comprehensive Income (Loss)	$ (645)	$ 7,840