CONSOLIDATED STATEMENTS OF CHANGES IN PARTNERS' CAPITAL - USD ($)	Subtotal	Class A	Class B	General Partnership	Treasury Units	Accumulated Comprehensive Income	Total
Balance at Dec. 31, 2021		$ (39,462,356)	$ (9,338,738)	$ (491,513)			$ (49,292,608)
Balance (in units) at Dec. 31, 2021	180,225	144,180	34,243	1,802	58,709		121,516
Increase (Decrease) in Partners' Capital
Distribution to Partners		$ (7,414,385)	$ (1,760,916)	$ (92,680)			$ (9,267,981)
Stock Buyback		(4,262,338)	(1,011,403)	(53,232)			$ (5,326,973)
Stock Buyback (in units)					2,261		(2,261)
Net Income		2,978,619	707,421	37,233			$ 3,723,274
Net unrealized gain on derivative instruments for interest rate swaps						$ 294,931	294,931
Balance at Dec. 31, 2022		$ (48,160,460)	$ (11,403,636)	$ (600,192)		294,931	$ (59,869,357)
Balance (in units) at Dec. 31, 2022	180,225	144,180	34,243	1,802	60,970		119,255
Increase (Decrease) in Partners' Capital
Distribution to Partners		$ (7,963,910)	$ (1,891,429)	$ (99,549)			$ (9,954,888)
Stock Buyback		(3,141,917)	(744,437)	(39,181)			$ (3,925,535)
Stock Buyback (in units)					1,824		(1,824)
Net Income		6,763,160	1,606,251	84,540			$ 8,453,950
Net unrealized gain on derivative instruments for interest rate swaps						(58,554)	(58,554)
Balance at Dec. 31, 2023		$ (52,503,128)	$ (12,433,251)	$ (654,383)		236,377	$ (65,354,384)
Balance (in units) at Dec. 31, 2023	180,225	144,180	34,243	1,802	62,794		117,431
Increase (Decrease) in Partners' Capital
Distribution to Partners		$ (8,995,647)	$ (2,136,466)	$ (112,446)			$ (11,244,559)
Stock Buyback		(1,335,855)	$ (316,612)	$ (16,664)			$ (1,669,131)
Stock Buyback (in units)			(143.48)	(7.55)	755		(755)
Net Income		12,529,270	$ 2,975,701	$ 156,616			$ 15,661,587
Net unrealized gain on derivative instruments for interest rate swaps						172,585	172,585
Balance at Dec. 31, 2024		$ (50,305,360)	$ (11,910,628)	$ (626,877)		$ 408,962	$ (62,433,902)
Balance (in units) at Dec. 31, 2024	180,225	144,180	34,243	1,802	63,549		116,676