ROYALTY AGREEMENT, UNALLOCATED RESERVE AND DISTRIBUTIONS (Details) - USD ($)		3 Months Ended		9 Months Ended
	Oct. 17, 2024	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2024	Oct. 31, 2023	Jan. 31, 2024
Unallocated Cash and Securities portion of Unallocated Reserve
Cash and cash equivalents		$ 95,910,149		$ 95,910,149		$ 23,980,448
Distribution payable		(5,116,804)		(5,116,804)		(4,854,404)
Unallocated cash and cash equivalents		90,793,345		90,793,345		$ 19,126,044
Reconciliation of Trust's Unallocated Reserve
Beginning Balance		22,116,018	$ 21,644,696	20,975,146	$ 11,438,217
Net income		78,325,525	4,086,066	87,207,203	14,292,545
Distributions declared		(5,116,804)	(4,592,003)	(12,857,610)	(4,592,003)
Ending Balance		$ 95,324,739	$ 21,138,759	$ 95,324,739	$ 21,138,759
Distribution declared (in dollars per share)		$ 0.39	$ 0.35	$ 0.98	$ 0.35
Distributions declared per unit (in dollars per unit)	$ 0.39	$ 0.39	$ 0.35	$ 0.98	$ 0.35
Unallocated Reserve member
Reconciliation of Trust's Unallocated Reserve
Beginning Balance		$ 22,116,015	$ 21,644,693	$ 20,975,143	$ 11,438,214
Net income		78,325,525	4,086,066	87,207,203	14,292,545
Distributions declared		(5,116,804)	(4,592,003)	(12,857,610)	(4,592,003)
Ending Balance		95,324,736	21,138,756	95,324,736	21,138,756
Trust Corpus
Reconciliation of Trust's Unallocated Reserve
Beginning Balance		3	3	3	3
Ending Balance		$ 3	$ 3	$ 3	$ 3