Consolidated Statements of Equity - USD ($) $ in Thousands	Total	Preferred Stock	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive (Loss) Income	Treasury Stock	Total Shareholders' Equity	Non-Controlling Interest
Beginning balance at Dec. 31, 2020	$ 202,597	$ 480	$ 1,214	$ 134,989	$ 66,794	$ 463	$ (3,015)	$ 200,925	$ 1,672
Beginning balance (in shares) at Dec. 31, 2020			12,136,567
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	9,526				9,429			9,429	97
Earnings distribution to non-controlling interest	(447)								(447)
Common stock options exercised (in shares)			29,945
Common stock options exercised	200		$ 3	197				200
Preferred stock shares conversion	0	(10)		10
Preferred stock shares conversion (in shares)			1,375
Other comprehensive loss	(83)					(83)		(83)
Stock compensation expense	50			50				50
Dividend on common stock	(1,899)				(1,899)			(1,899)
Ending balance at Mar. 31, 2021	209,944	470	$ 1,217	135,246	74,324	380	(3,015)	208,622	1,322
Ending balance (in shares) at Mar. 31, 2021			12,167,887
Beginning balance at Dec. 31, 2021	232,361	445	$ 1,218	135,451	98,017	245	(3,015)	232,361	0
Beginning balance (in shares) at Dec. 31, 2021			12,182,081
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	10,091				10,091			10,091	0
Common stock options exercised (in shares)			15,938
Common stock options exercised	114		$ 2	112				114
Other comprehensive loss	(433)					(433)		(433)
Stock compensation expense	60			60				60
Dividend on preferred stock	(7)				(7)			(7)
Dividend on common stock	(1,907)				(1,907)			(1,907)
Ending balance at Mar. 31, 2022	$ 240,279	$ 445	$ 1,220	$ 135,623	$ 106,194	$ (188)	$ (3,015)	$ 240,279	$ 0
Ending balance (in shares) at Mar. 31, 2022			12,198,019