CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS EQUITY (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Treasury Stock	Additional Paid-In Capital	Retained Earnings
Balance, shares at Dec. 31, 2022		1,761	1,659
Balance, amount at Dec. 31, 2022	$ 239,541	$ 342	$ (204,830)	$ 66,347	$ 377,682
Net income	3,485				3,485
Stock-based compensation transactions	37		2	35
Shares surrendered in stock transactions	(22)		$ (22)
Purchase of treasury stock, shares		(1)	1
Purchase of treasury stock, amount	(613)		$ (613)
Dividends	3,787				3,787
Balance, amount at Mar. 31, 2023	238,641	$ 342	$ (205,463)	66,382	377,380
Balance, shares at Mar. 31, 2023		1,760	1,660
Balance, shares at Dec. 31, 2023		1,760	1,660
Balance, amount at Dec. 31, 2023	242,889	$ 342	$ (206,538)	67,331	381,754
Net income	2,792				2,792
Stock-based compensation transactions	143		2	141
Shares surrendered in stock transactions	(20)		(20)
Purchase of treasury stock, amount	0
Dividends	3,881				3,881
Balance, amount at Mar. 31, 2024	$ 241,923	$ 342	$ (206,556)	$ 67,472	$ 380,665
Balance, shares at Mar. 31, 2024		1,760	1,660