RELATED PARTY TRANSACTIONS - Fund management fees paid (Details) - USD ($)	6 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
RELATED PARTY TRANSACTIONS
Fund management fees paid	$ 1,016,940	$ 1,490,412
Series 29
RELATED PARTY TRANSACTIONS
Fund management fees paid	406,799	0
Series 44
RELATED PARTY TRANSACTIONS
Fund management fees paid	0	30,914
Series 45
RELATED PARTY TRANSACTIONS
Fund management fees paid	0	1,142,803
Series 46
RELATED PARTY TRANSACTIONS
Fund management fees paid	$ 610,141	$ 316,695