COMMITMENTS AND CONTINGENCIES - Narrative (Details)	12 Months Ended
	Mar. 31, 2025 USD ($)	Mar. 31, 2024 USD ($)	Mar. 31, 2023 USD ($)	Dec. 31, 2023 ft²	Mar. 31, 2021
Gain Contingencies [Line Items]
Lease extension					3 years
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Other liabilities	Other liabilities
Lease expense	$ 500,000	$ 300,000	$ 300,000
Operating lease asset	3,900,000	2,400,000
Operating lease liability	$ 5,400,000	$ 3,200,000
Remaining lease term	10 years 6 months
Discount rate	6.59%
Undiscounted excess amount not disclosed	$ 0
Office Space
Gain Contingencies [Line Items]
Area of additional office space | ft²				7,100
Letters of Credit Issued and Outstanding
Gain Contingencies [Line Items]
Expiring letters of credit	900,000
Letters of Credit Issued and Outstanding | February 2026
Gain Contingencies [Line Items]
Expiring letters of credit	400,000
Letters of Credit Issued and Outstanding | March 2026
Gain Contingencies [Line Items]
Expiring letters of credit	300,000
Letters of Credit Issued and Outstanding | April 2026
Gain Contingencies [Line Items]
Expiring letters of credit	$ 200,000