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Earnings Per Common Share (Basic and Diluted Earnings Per Common Share) (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Sep. 30, 2019
Sep. 30, 2018
Earnings Per Common Share [Abstract]                
Net Income $ 4,493 $ 2,602 $ 3,151 $ 2,763 $ 3,016 $ 2,506 $ 10,246 $ 8,285
Weighted average number of basic and diluted shares outstanding 7,107,000     7,084,000     7,098,000 7,076,000
Basic and diluted net income per common share $ 0.63     $ 0.39     $ 1.44 $ 1.17