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Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Earnings Per Share [Abstract]
Distributed earnings allocated to common shares	$ 586	$ 522	$ 1,142	$ 1,008
Undistributed earnings allocated to common shares	1,793	2,337	3,215	4,057
Net earnings allocated to common shares	2,379	2,859	4,357	5,065
Net earnings allocated to participating securities	5	4	9	7
Dividends on convertible preferred shares	243	244	487	488
Net Income allocated to common shares and participating securities	$ 2,627	$ 3,107	$ 4,853	$ 5,560
Weighted average shares outstanding for basic earnings per share	6,454	6,489	6,469	5,935
Dilutive effect of stock compensation	37	61	38	66
Dilutive effect of convertible shares	1,476	1,453	1,475	1,453
Weighted average shares outstanding for diluted earnings per share	7,967	8,003	7,982	7,454
Basic earnings per common share	$ 0.37	$ 0.45	$ 0.68	$ 0.85
Diluted earnings per common share	$ 0.33	$ 0.4	$ 0.61	$ 0.75

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