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Net Income per Common Share (Schedule of Earnings Per Share, Basic and Diluted) (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Net Income per Common Share [Abstract]        
Net income available to common stockholders $ 7,980 $ 4,890 $ 12,545 $ 14,908
Basic earnings per share - Income available to Common stockholders 7,980 4,890 12,545 14,908
Diluted earnings per share- Income available to Common stockholders $ 7,980 $ 4,890 $ 12,545 $ 14,908
Basic earnings per share- Income available to Common stockholders, Shares 17,069 16,468 17,250 16,320
Effect of dilutive securities: Stock options: Shares   55 18 49
Diluted earnings per share- Income available to Common stockholders, Shares 17,069 16,523 17,268 16,369
Basic earnings per share- Income available to Common stockholders $ 0.47 $ 0.30 $ 0.73 $ 0.91
Diluted earnings per share - Income available to Common stockholders $ 0.47 $ 0.30 $ 0.73 $ 0.91