Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Basic and Diluted Earnings Per Share [Abstract]
Net earnings	$ 1,936	$ 2,207	$ 5,398	$ 7,057
Basic and diluted weighted average shares outstanding	3,566,239	3,568,287	3,566,184	3,586,642
Basic and diluted earnings per share	$ 0.54	$ 0.62	$ 1.51	$ 1.97