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, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019
Earnings Per Share [Abstract]
Net income	$ 6,833	$ 3,818	$ 4,403	$ 4,077	$ 10,651	$ 8,480
Weighted average common shares outstanding (basic)	8,446,377		8,462,522		8,463,676	8,461,269
Effect of dilutive unvested restricted stock grants	3,973		5,689		4,528	4,015
Weighted average common shares outstanding (diluted)	8,450,350		8,468,211		8,468,204	8,465,284
Basic earnings per common share	$ 0.81		$ 0.52		$ 1.26	$ 1.00
Diluted earnings per common share	$ 0.81		$ 0.52		$ 1.26	$ 1.00