Basic and Diluted Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Earnings per common share:
Weighted average common shares outstanding   during the period – shares used for basic earnings   per common share	9,397	9,363	9,382	9,352
Common shares issuable under share based   payment plans which are potentially dilutive	36	36	41	38
Common shares used for diluted earnings  per common share	9,433	9,399	9,423	9,390
Net income attributable to the Company	$ 480	$ 352	$ 1,809	$ 28,807
-basic	$ 0.05	$ 0.04	$ 0.19	$ 3.08
-diluted	$ 0.05	$ 0.04	$ 0.19	$ 3.07