CONDENSED CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands	Total	Common stock	Additional paid-in capital	Retained earnings	Accumulated other comprehensive income (loss)	Noncontrolling interest in subsidiary
Beginning Balance at Dec. 31, 2019	$ 327,213	$ 6,094	$ 299,102	$ 251,000	$ (251,690)	$ 22,707
Net income	2,502			1,910		592
Other comprehensive income (loss), net of tax	(9,155)				(9,155)
Dividends paid	(1,950)			(1,950)
Dividends paid to noncontrolling interest	(168)					(168)
Other, net	(237)		(237)
Ending Balance at Mar. 31, 2020	318,205	6,094	298,865	250,960	(260,845)	23,131
Beginning Balance at Dec. 31, 2020	335,349	6,098	299,093	257,875	(251,189)	23,472
Net income	13,866			13,257		609
Other comprehensive income (loss), net of tax	1,625				1,625
Dividends paid	(2,927)			(2,927)
Dividends paid to noncontrolling interest	(339)					(339)
Equity transactions with noncontrollinginterest, net and other	(755)		1,004			(1,759)
Ending Balance at Mar. 31, 2021	$ 346,819	$ 6,098	$ 300,097	$ 268,205	$ (249,564)	$ 21,983