LEASES - Lease Right-of-use Assets and Lease Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Mar. 31, 2023
LEASES
Finance lease ROU assets	$ 1,240	$ 1,278
Finance lease liability	$ 2,200	$ 2,229
Finance lease remaining lease term	16 years 2 months 4 days	16 years 8 months 4 days
Finance lease discount rate	7.16%	7.16%
Operating lease ROU assets	$ 6,095	$ 6,705
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Prepaid Expense and Other Assets.	Prepaid Expense and Other Assets.
Operating lease liabilities	$ 6,427	$ 7,064
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Accrued Liabilities and Other Liabilities, Total	Accrued Liabilities and Other Liabilities, Total
Operating lease weighted-average remaining lease term	5 years 8 months 23 days	6 years 1 month 24 days
Operating lease weighted-average discount rate	1.76%	1.78%