Summary of Significant Accounting Policies (Basic and Diluted Earnings Per Common Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2021	Jun. 30, 2020
Earnings Per Share [Abstract]
Net income	$ 9,613	$ 9,312	$ 6,833	$ 3,818	$ 18,925	$ 10,651
Weighted average common shares outstanding (basic)	10,321,838		8,446,377		9,373,978	8,463,676
Effect of dilutive unvested restricted stock grants	15,942		3,973		6,479	4,528
Weighted average common shares outstanding (diluted)	10,337,780		8,450,350		9,380,457	8,468,204
Basic earnings per common share	$ 0.93		$ 0.81		$ 2.02	$ 1.26
Diluted earnings per common share	$ 0.93		$ 0.81		$ 2.02	$ 1.26