Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Basic:
Net Income	$ 8,868	$ 10,923	$ 20,968	$ 17,828
Preferred Dividend	(30)	(30)	(60)	(60)
Earnings Applicable to Common Stock	$ 8,838	$ 10,893	$ 20,908	$ 17,768
Basic EPS	$ 0.50	$ 0.62	$ 1.19	$ 1.02
Weighted average number of basic shares outstanding	17,583,000	17,488,000	17,560,000	17,482,000
Diluted:
Adjusted Earnings Applicable to Common Stock	$ 8,855	$ 10,910	$ 20,942	$ 17,802
Diluted EPS	$ 0.50	$ 0.62	$ 1.18	$ 1.01
Weighted average number of diluted shares outstanding	17,698,000	17,603,000	17,675,000	17,597,000
Convertible Preferred Stock $7.00 Series [Member]
Diluted:
Preferred Dividend	$ 17	$ 17	$ 34	$ 34
Common Shares Attributable to Dilutive Effect of Conversion of Preferred Stock (in shares)	115	115	115	115