CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Parent [Member]	Noncontrolling Interest [Member]	Total
Beginning balance, value at Dec. 31, 2022	$ 1,892	$ 64,212	$ 342,317	$ (1,276)	$ 407,145	$ 37,066	$ 444,211
Common shares outstanding at Dec. 31, 2022	18,919,372
Stock option grant compensation	$ 0	17	0	0	17	0	17
Restricted stock compensation	0	257	0	0	257	0	257
Restricted stock award	$ 4	(4)	0	0	0	0	0
Restricted shares awarded	50,568
Net income	$ 0	0	565	0	565	(159)	406
Distributions to partners	0	0	0	0	0	(933)	(933)
Minimum pension liability,net							0
Exercise of stock options	$ 4	799	0	0	803	0	803
Stock options exercised	35,470
Shares granted to Employees	$ 0	50	0	0	50	0	50
Shares granted to Employee	1,856
Unrealized loss on investment, net	$ 0	0	0	374	374	0	374
Ending balance, value at Mar. 31, 2023	$ 1,900	65,331	342,882	(902)	409,211	35,974	445,185
Common shares outstanding at Mar. 31, 2023	19,007,266
Beginning balance, value at Dec. 31, 2023	$ 1,897	66,706	345,882	35	414,520	33,456	$ 447,976
Common shares outstanding at Dec. 31, 2023	18,968,448						18,968,448
Stock option grant compensation	$ 0	19	0	0	19	0	$ 19
Restricted stock compensation	0	301	0	0	301	0	301
Restricted stock award	$ 3	(3)	0	0	0	0	0
Restricted shares awarded	32,152
Net income	$ 0	0	1,301	0	1,301	34	1,335
Distributions to partners	0	0	0	0	0	(752)	(752)
Minimum pension liability,net	0	0	0	(8)	(8)	0	(8)
Unrealized loss on investment, net							0
Ending balance, value at Mar. 31, 2024	$ 1,900	$ 67,023	$ 347,183	$ 27	$ 416,133	$ 32,738	$ 448,871
Common shares outstanding at Mar. 31, 2024	19,000,600						19,000,600