CONSOLIDATED STATEMENTS OF CHANGES IN PARTNER'S CAPITAL - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Increase (Decrease) in Partners' Capital
Balance	$ (49,292,607)	$ (41,469,045)
Balance (in units)	121,516	121,756
Distribution to Partners	$ (5,821,134)	$ (1,168,860)
Stock Buyback	$ (1,337,814)
Stock Buyback (in units)	(589)
Net income	$ 342,418	(294,180)
Balance	$ (56,109,137)	$ (42,932,085)
Balance (in units)	120,927	121,756
Subtotal
Increase (Decrease) in Partners' Capital
Balance (in units)	180,225	180,225
Balance (in units)	180,225	180,225
General Partnership
Increase (Decrease) in Partners' Capital
Balance	$ (491,512)	$ (413,280)
Balance (in units)	1,802	1,802
Distribution to Partners	$ (58,211)	$ (11,689)
Stock Buyback	(13,375)
Net income	3,424	(2,942)
Balance	$ (559,674)	$ (427,911)
Balance (in units)	1,802	1,802
Treasury Units
Increase (Decrease) in Partners' Capital
Balance (in units)	(58,709)	(58,469)
Stock Buyback (in units)	(589)
Balance (in units)	(59,298)	58,469
Class A
Increase (Decrease) in Partners' Capital
Balance	$ (39,462,357)	$ (33,203,447)
Balance (in units)	144,180	144,180
Distribution to Partners	$ (4,656,907)	$ (935,088)
Stock Buyback	(1,070,321)
Net income	273,934	(235,344)
Balance	$ (44,915,651)	$ (34,373,879)
Balance (in units)	144,180	144,180
Class B
Increase (Decrease) in Partners' Capital
Balance	$ (9,338,738)	$ (7,852,318)
Balance (in units)	34,243	34,243
Distribution to Partners	$ (1,106,016)	$ (222,083)
Stock Buyback	(254,118)
Net income	65,059	(55,894)
Balance	$ (10,633,813)	$ (8,130,295)
Balance (in units)	34,243	34,243