Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Sep. 25, 2020
Earnings Per Share [Abstract]
Stock dividend, percent						3.00%
Net Income		$ 13,279	$ 9,159	$ 26,559	$ 17,286
Weighted Average Shares - Basic (in shares)	[1]	15,557	15,441	15,543	15,444
Earnings Per Share - Basic (in dollars per share)		$ 0.85	$ 0.59	$ 1.71	$ 1.12
Dilutive Average Shares Attributable to Stock Options (in shares)		59	7	46	16
Weighted Average Shares - Diluted (in shares)	[1]	15,616	15,448	15,589	15,460
Earnings Per Share - Diluted (in dollars per share)		$ 0.85	$ 0.59	$ 1.70	$ 1.12

[1] 2020 Share and Per Share Amounts have been restated for the September 25, 2020 3% stock dividend.