Summary of Significant Accounting Policies (Basic and Diluted Earnings Per Common Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Earnings Per Share [Abstract]
Net income	$ 9,011	$ 6,547	$ 6,833	$ 3,818	$ 4,408	$ 4,813	$ 4,403	$ 4,077	$ 26,209	$ 17,701	$ 10,596
Less: Dividends on Series D preferred stock											102
NET INCOME AVAILABLE TO COMMON SHAREHOLDERS									$ 26,209	$ 17,701	$ 10,494
Weighted average shares outstanding (basic)									8,439,427	8,468,586	7,071,091
Effect of dilutive unvested restricted stock grants									3,665	23,487	20,706
Weighted average shares outstanding (diluted)									8,443,092	8,492,073	7,091,797
Basic earnings per common share	$ 1.07	$ 0.78	$ 0.81	$ 0.45					$ 3.11	$ 2.09	$ 1.48
Diluted earnings per common share	$ 1,060.00	$ 780	$ 810	$ 450					$ 3.10	$ 2.09	$ 1.48