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Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement Of Income And Comprehensive Income [Abstract]
Net Income	$ 7,683	$ 5,920	$ 4,983	$ 4,909	$ 6,776	$ 4,410	$ 4,804	$ 4,105	$ 23,495	$ 20,095	$ 18,402
Other Comprehensive Income (Loss) (Net of Tax):
Net unrealized gain (loss) on available-for-sale securities									(10,948)	6,091	5,179
Reclassification adjustment for realized (gain) loss on sale of available-for-sale securities									(293)	(270)	26
Net unrealized gain (loss) on available-for-sale securities									(11,241)	5,821	5,205
Tax expense (benefit)									(2,360)	1,222	1,093
Other comprehensive income (loss)									(8,881)	4,599	4,112
Comprehensive Income									$ 14,614	$ 24,694	$ 22,514

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