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FEES PAID BY THE FUND AND RELATED PARTY TRANSACTIONS (Details) - USD ($)	3 Months Ended	6 Months Ended		12 Months Ended
	Jun. 30, 2020	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2020
Percentage of management fee in average daily total net assets		0.75%
Registration fees and offering expenses	$ 81,500	$ 81,500	$ 0
Expenses write off		$ (276,795)
Forecast [Member]
Estimated investor tax reporting cost				$ 170,000
Percentage of fees and other waivers expense				0.15%
BNO [Member] \| Forecast [Member]
Estimated directors fees and expenses				$ 55,000
BNO and Related Public Fund [Member] \| Forecast [Member]
Estimated directors fees and expenses				$ 574,000