Summary Of Significant Accounting Policies (Earnings Per Common Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Basic
Net income	$ 4,726	$ 3,489	$ 9,244	$ 9,910
Earnings allocated to participating securities (Series C preferred stock)
Net income attributable to common stockholders	$ 4,726	$ 3,489	$ 9,244	$ 9,910
Weighted average common shares outstanding including unvested share-based payment awards	6,523,304	6,643,318	6,514,555	6,633,698
Less: Unvested share-based payment awards-2019 Plan	(109,420)	(106,896)	(98,684)	(96,615)
Average shares	6,413,884	6,536,422	6,415,871	6,537,083
Basic earnings per common share	$ 0.74	$ 0.53	$ 1.44	$ 1.52
Diluted
Net earnings allocated to common stockholders	$ 4,726	$ 3,489	$ 9,244	$ 9,910
Weighted average common shares outstanding for basic earnings per common share	6,413,884	6,536,422	6,415,871	6,537,083
Add: Dilutive effects of assumed exercises of stock options	29,459	45,935	36,065	46,278
Add: Dilutive effects of unvested share-based payment awards-2019 Plan	109,420	106,896	98,684	96,615
Average shares and dilutive potential common shares	6,552,763	6,689,253	6,550,620	6,679,976
Diluted earnings per common share	$ 0.72	$ 0.52	$ 1.41	$ 1.48