Summary Of Significant Accounting Policies (Earnings Per Common Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Basic
Net income	$ 4,249	$ 4,076	$ 13,493	$ 13,986
Earnings allocated to participating securities (Series C preferred stock)
Net income attributable to common stockholders	$ 4,249	$ 4,076	$ 13,493	$ 13,986
Weighted average common shares outstanding including unvested share-based payment awards	6,518,633	6,609,962	6,515,929	6,625,699
Less: Unvested share-based payment awards-2019 Plan	(125,102)	(99,458)	(107,587)	(97,573)
Average shares	6,393,531	6,510,504	6,408,342	6,528,126
Basic earnings per common share	$ 0.66	$ 0.63	$ 2.11	$ 2.14
Diluted
Net earnings allocated to common stockholders	$ 4,249	$ 4,076	$ 13,493	$ 13,986
Weighted average common shares outstanding for basic earnings per common share	6,393,531	6,510,504	6,408,342	6,528,126
Add: Dilutive effects of assumed exercises of stock options	29,158	47,288	33,762	46,615
Add: Dilutive effects of unvested share-based payment awards-2019 Plan	125,102	99,458	107,587	97,573
Average shares and dilutive potential common shares	6,547,791	6,657,250	6,549,691	6,672,314
Diluted earnings per common share	$ 0.65	$ 0.61	$ 2.06	$ 2.10