CONDENSED CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands	Common stock	Additional paid-in capital	Retained earnings	Accumulated other comprehensive income (loss)	Noncontrolling interest in subsidiary	Total
Beginning Balance at Dec. 31, 2021	$ 6,100	$ 299,775	$ 297,351	$ (240,756)	$ 22,501	$ 384,971
Net income			18,557		652	19,209
Other comprehensive income (loss), net of tax				2,385		2,385
Dividends paid			(3,416)			(3,416)
Dividends paid to noncontrolling interest					(406)	(406)
Other, net		435				435
Ending Balance at Mar. 31, 2022	6,100	300,210	312,492	(238,371)	22,747	403,178
Beginning Balance at Dec. 31, 2022	6,101	298,598	300,442	(222,991)	20,597	402,747
Net income			(6,716)		777	(5,939)
Other comprehensive income (loss), net of tax				(1,377)	(4)	(1,381)
Dividends paid			(3,417)			(3,417)
Dividends paid to noncontrolling interest					(388)	(388)
Other, net		(346)				(346)
Ending Balance at Mar. 31, 2023	$ 6,101	$ 298,252	$ 290,309	$ (224,368)	$ 20,982	$ 391,276