INCOME TAXES, Reconciliation of Income taxes Computed at the Statutory Federal Income Tax Rate to Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Reconciliation of income taxes to the statutory rate [Abstract]
Income tax expense computed at the U.S. statutory federal rate	$ 30,845	$ 22,450	$ 20,182
State income tax expense - net of federal benefit	8,937	6,941	5,659
Non-deductible executive compensation	1,749	2,052	613
Other	(247)	1,066	423
Provision for income taxes	$ 41,284	$ 32,509	$ 26,877
Effective income tax rate	28.10%	30.40%	28.00%