CONSOLIDATED STATEMENTS OF CHANGES IN PARTNER'S CAPITAL - USD ($)	3 Months Ended		199 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024
Increase (Decrease) in Partners' Capital
Balance	$ (65,354,384)	$ (59,869,357)
Balance (in units)	117,431	119,255
Distribution to Partners	$ (7,038,955)	$ (5,704,385)
Stock Buyback	$ (253,390)	$ (944,520)	$ (54,674,000)
Stock Buyback (in units)	(119)	(431)
Net Income (Loss)	$ 3,463,596	$ 1,754,375
Net unrealized (loss) gain on derivative instruments for interest rate swaps	142,034	(165,887)
Balance	$ (69,041,100)	$ (64,929,774)	$ (69,041,100)
Balance (in units)	117,312	118,824	117,312
Accumulated Comprehensive
Increase (Decrease) in Partners' Capital
Balance	$ 236,377	$ 294,931
Net unrealized (loss) gain on derivative instruments for interest rate swaps	142,034	(165,887)
Balance	$ 378,411	$ 129,044	$ 378,411
Subtotal
Increase (Decrease) in Partners' Capital
Balance (in units)	180,225	180,225
Balance (in units)	180,225	180,225	180,225
Class A
Increase (Decrease) in Partners' Capital
Balance	$ (52,503,128)	$ (48,160,462)
Balance (in units)	144,180	144,180
Distribution to Partners	$ (5,631,164)	$ (4,563,508)
Stock Buyback	(202,882)	(755,666)
Net Income (Loss)	2,770,877	1,403,500
Balance	$ (55,566,297)	$ (52,076,136)	$ (55,566,297)
Balance (in units)	144,180	144,180	144,180
Class B
Increase (Decrease) in Partners' Capital
Balance	$ (12,433,251)	$ (11,403,635)
Balance (in units)	34,243	34,243
Distribution to Partners	$ (1,337,401)	$ (1,083,833)
Stock Buyback	$ (47,983)	(179,411)
Stock Buyback (in units)	(22.6)
Net Income (Loss)	$ 658,083	333,331
Balance	$ (13,160,552)	$ (12,333,548)	$ (13,160,552)
Balance (in units)	34,243	34,243	34,243
General Partnership
Increase (Decrease) in Partners' Capital
Balance	$ (654,383)	$ (600,191)
Balance (in units)	1,802	1,802
Distribution to Partners	$ (70,390)	$ (57,044)
Stock Buyback	$ (2,525)	(9,443)
Stock Buyback (in units)	(1.2)
Net Income (Loss)	$ 34,636	17,544
Balance	$ (692,662)	$ (649,134)	$ (692,662)
Balance (in units)	1,802	1,802	1,802
Treasury Units
Increase (Decrease) in Partners' Capital
Balance (in units)	62,794	60,970
Stock Buyback (in units)	119	431
Balance (in units)	62,913	61,401	62,913