QUARTERLY FINANCIAL DATA (UNAUDITED) (Details)	3 Months Ended								12 Months Ended
	Dec. 31, 2025 USD ($) $ / shares $ / item	Sep. 30, 2025 USD ($) $ / shares $ / item	Jun. 30, 2025 USD ($) $ / shares $ / item	Mar. 31, 2025 USD ($) $ / shares $ / item	Dec. 31, 2024 USD ($) $ / shares $ / item	Sep. 30, 2024 USD ($) $ / shares $ / item	Jun. 30, 2024 USD ($) $ / shares $ / item	Mar. 31, 2024 USD ($) $ / shares $ / item	Dec. 31, 2025 USD ($) $ / shares $ / item	Dec. 31, 2024 USD ($) $ / shares $ / item	Dec. 31, 2023 USD ($) $ / shares
QUARTERLY FINANCIAL DATA (UNAUDITED)
Revenue	$ 23,580,871	$ 23,686,671	$ 21,240,108	$ 20,688,894	$ 20,379,550	$ 20,209,035	$ 20,050,566	$ 19,893,399	$ 89,196,544	$ 80,532,550	$ 74,481,368
Expenses	20,273,158	18,942,370	14,176,535	14,455,447	13,768,911	13,738,359	13,512,402	14,141,625	67,847,510	55,161,297
Income Before Other Income (Expense)	3,307,713	4,744,301	7,063,573	6,233,447	6,610,639	6,470,676	6,538,164	5,751,774	21,349,034	25,371,253	18,814,847
Other Expenses	(4,700,229)	(5,266,129)	(2,913,692)	(2,437,728)	(2,394,772)	(2,561,278)	(2,465,438)	(2,288,178)	(15,317,778)	(9,709,666)	(10,360,897)
Net Income	$ (1,392,516)	$ (521,828)	$ 4,149,881	$ 3,795,719	$ 4,215,867	$ 3,909,398	$ 4,072,726	$ 3,463,596	$ 6,031,256	$ 15,661,587	$ 8,453,950
Net Income per Unit (in dollars per unit) | $ / shares	$ (11.89)	$ (4.48)	$ 35.59	$ 32.53	$ 36.11	$ 33.44	$ 34.77	$ 29.51	$ 51.75	$ 133.83	$ 71.34
Net Income per Depositary Receipt (in dollars per receipt) | $ / item	(0.39)	(0.15)	1.19	1.08	1.21	1.11	1.16	0.98	1.73	4.46