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Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Basic:
Net Income	$ 6,552	$ 4,494
Preferred Dividend	(36)	(36)
Earnings Applicable to Common Stock	$ 6,516	$ 4,458
Basic EPS	$ 0.40	$ 0.27
Weighted average number of basic shares outstanding	16,428	16,354
Diluted:
Adjusted Earnings Applicable to Common Stock	$ 6,539	$ 4,481
Diluted EPS	$ 0.39	$ 0.27
Weighted average number of diluted shares outstanding	16,584	16,510
Convertible Preferred Stock $7.00 Series [Member]
Diluted:
Preferred Dividend	$ 17	$ 17
Common Shares Attributable to Dilutive Effect of Conversion of Preferred Stock (in shares)	115	115
Convertible Preferred Stock $8.00 Series [Member]
Diluted:
Preferred Dividend	$ 6	$ 6
Common Shares Attributable to Dilutive Effect of Conversion of Preferred Stock (in shares)	41	41

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