LEASES - Undiscounted Cash Flows (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Mar. 31, 2021
Operating Leases
Remaining of 2022	$ 1,083
2023	1,274
2024	1,290
2025	1,292
2026	1,040
Thereafter	3,527
Total minimum lease payments	9,506
Less: amount of lease payment representing interest	(636)
Lease liabilities	8,870
Finance Lease
Remaining of 2022	159
2023	215
2024	219
2025	222
2026	226
Thereafter	3,174
Total minimum lease payments	4,215
Less: amount of lease payment representing interest	(1,897)
Lease liabilities	$ 2,318	$ 2,329