COMMITMENTS AND CONTINGENCIES - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Mar. 31, 2023
Gain Contingencies [Line Items]
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets	Other assets	Other assets
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Other liabilities	Other liabilities	Other liabilities	Other liabilities
Lease expense	$ 63,100	$ 63,100	$ 126,100	$ 126,100
Operating lease asset	1,800,000		1,800,000		$ 1,800,000
Operating lease liability	$ 2,700,000		$ 2,700,000		$ 2,800,000
Remaining lease term	9 years		9 years
Discount rate	7.70%		7.70%
Letters of credit issued and outstanding
Gain Contingencies [Line Items]
Expiring letters of credit	$ 900,000		$ 900,000
February 2023 | Letters of credit issued and outstanding
Gain Contingencies [Line Items]
Expiring letters of credit	400,000		400,000
April 2023 | Letters of credit issued and outstanding
Gain Contingencies [Line Items]
Expiring letters of credit	200,000		200,000
August 2023 | Letters of credit issued and outstanding
Gain Contingencies [Line Items]
Expiring letters of credit	$ 300,000		$ 300,000