PENSION BENEFIT PLANS - Net Periodic Pension Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Retirement Benefits [Abstract]
Service cost	$ 331	$ 333	$ 341
Interest cost	560	667	603
Net periodic pension cost	$ 891	$ 1,000	$ 944