Summary Of Significant Accounting Policies (Earnings Per Common Share) (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Basic
Net income		$ 10,068	$ 2,280	$ 12,074	$ 3,961
Accretion of discount and value of warrants exercised related to Series B preferred stock	[1]		157		183
Earnings allocated to participating securities (Series C preferred stock)		(1,218)		(1,866)
Net income attributable to common stockholders		$ 8,850	$ 2,437	$ 10,208	$ 4,144
Weighted average common shares outstanding including unvested share-based payment awards		5,777,816	4,412,726	5,575,856	4,384,395
Less: Unvested share-based payment awards-2019 Plan		(38,719)		(39,335)
Average shares		5,739,097	4,412,726	5,536,521	4,384,395
Basic earnings per common share		$ 1.54	$ 0.55	$ 1.84	$ 0.95
Diluted
Net earnings allocated to common stockholders		$ 8,850	$ 2,437	$ 10,208	$ 4,144
Weighted average common shares outstanding for basic earnings per common share		5,739,097	4,412,726	5,536,521	4,384,395
Add: Dilutive effects of assumed exercises of stock options		24,762	35,077	25,591	37,075
Add: Dilutive effects of assumed exercises of stock warrants			4,834		13,894
Add: Dilutive effects of unvested share-based payment awards-2019 Plan		38,719		39,335
Average shares and dilutive potential common shares		5,802,578	4,452,637	5,601,447	4,435,364
Diluted earnings per common share		$ 1.53	$ 0.55	$ 1.82	$ 0.93

[1] All outstanding warrants expired on July 15, 2019.