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		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Net Income per Common Share [Abstract]
Basic earnings per share: Income available to common stockholders	$ 10,025	$ 7,766	$ 19,701	$ 14,600
Diluted earnings per share: Income available to common stockholders	$ 10,025	$ 7,766	$ 19,701	$ 14,600
Basic earnings per share: Income available to common stockholders, Shares	16,997	17,126	16,989	17,120
Effect of dilutive securities: Stock options: Shares	407	156	386	137
Diluted earnings per share: Income available to common stockholders, Shares	17,404	17,282	17,375	17,257
Basic earnings per share: Income available to common stockholders, Per share amount	$ 0.59	$ 0.45	$ 1.16	$ 0.85
Diluted earnings per share: Income available to common stockholders, Per share amount	$ 0.58	$ 0.45	$ 1.13	$ 0.85