CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Class A Common Stock Common Stock.	Class A Common Stock	Class B Common Stock Common Stock.	Class B Common Stock	Additional Paid-in Capital	Retained Earnings	Treasury Stock	Total
Balance at Dec. 31, 2022	$ 78		$ 0		$ 71,664	$ 143,896	$ (37,109)	$ 178,529
Balance (in shares) at Dec. 31, 2022	7,867	7,867	0	0
Net Income (Loss)	$ 0		$ 0		0	920	0	920
Dividends declared per common share	0		0		0	(1,531)	0	(1,531)
Compensation expense related to restricted stock awards	0		0		245	0	0	245
401(k) plan contribution	0		0		(185)	0	441	256
Balance at Mar. 31, 2023	$ 78		$ 0		71,724	143,285	(36,668)	178,419
Balance (in shares) at Mar. 31, 2023	7,867		0
Balance at Dec. 31, 2022	$ 78		$ 0		71,664	143,896	(37,109)	178,529
Balance (in shares) at Dec. 31, 2022	7,867	7,867	0	0
Net Income (Loss)								6,999
Balance at Sep. 30, 2023	$ 78		$ 0		72,222	146,303	(36,668)	181,935
Balance (in shares) at Sep. 30, 2023	7,867		0
Balance at Mar. 31, 2023	$ 78		$ 0		71,724	143,285	(36,668)	178,419
Balance (in shares) at Mar. 31, 2023	7,867		0
Net Income (Loss)	$ 0		$ 0		0	3,350	0	3,350
Dividends declared per common share	0		0		0	(1,531)	0	(1,531)
Compensation expense related to restricted stock awards	0		0		248	0	0	248
Balance at Jun. 30, 2023	$ 78		$ 0		71,972	145,104	(36,668)	180,486
Balance (in shares) at Jun. 30, 2023	7,867		0
Net Income (Loss)	$ 0		$ 0		0	2,729	0	2,729
Dividends declared per common share	0		0		0	(1,530)	0	(1,530)
Compensation expense related to restricted stock awards	0		0		250	0	0	250
Balance at Sep. 30, 2023	$ 78		$ 0		72,222	146,303	(36,668)	181,935
Balance (in shares) at Sep. 30, 2023	7,867		0
Balance at Dec. 31, 2023	$ 80		$ 0		72,593	134,771	(36,895)	170,549
Balance (in shares) at Dec. 31, 2023	8,007	8,007	0	0
Net Income (Loss)	$ 0		$ 0		0	(1,577)	0	(1,577)
Dividends declared per common share	0		0		0	(5,321)	0	(5,321)
Compensation expense related to restricted stock awards	0		0		453	0	0	453
401(k) plan contribution	0		0		(207)	0	475	268
Balance at Mar. 31, 2024	$ 80		$ 0		72,839	127,873	(36,420)	164,372
Balance (in shares) at Mar. 31, 2024	8,007		0
Balance at Dec. 31, 2023	$ 80		$ 0		72,593	134,771	(36,895)	170,549
Balance (in shares) at Dec. 31, 2023	8,007	8,007	0	0
Net Income (Loss)								2,191
Forfeiture of restricted stock (in shares)		(1)		0
Balance at Sep. 30, 2024	$ 80		$ 0		73,833	128,510	(36,431)	165,992
Balance (in shares) at Sep. 30, 2024	8,006	8,006	0	0
Balance at Mar. 31, 2024	$ 80		$ 0		72,839	127,873	(36,420)	164,372
Balance (in shares) at Mar. 31, 2024	8,007		0
Net Income (Loss)	$ 0		$ 0		0	2,501	0	2,501
Forfeiture of restricted stock	$ 0		0		0	0	0	0
Forfeiture of restricted stock (in shares)	(1)
Dividends declared per common share	$ 0		0		0	(1,566)	0	(1,566)
Compensation expense related to restricted stock awards	0		0		520	0	0	520
Balance at Jun. 30, 2024	$ 80		$ 0		73,359	128,808	(36,420)	165,827
Balance (in shares) at Jun. 30, 2024	8,006		0
Net Income (Loss)	$ 0		$ 0		0	1,267	0	1,267
Dividends declared per common share	0		0		0	(1,565)	0	(1,565)
Compensation expense related to restricted stock awards	0		0		474	0	0	474
Purchase of shares held in treasury	0		0		0	0	(11)	(11)
Balance at Sep. 30, 2024	$ 80		$ 0		$ 73,833	$ 128,510	$ (36,431)	$ 165,992
Balance (in shares) at Sep. 30, 2024	8,006	8,006	0	0