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INCOME TAXES - Additional Information (Details) - USD ($)	1 Months Ended	12 Months Ended
	Dec. 22, 2017	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2017
INCOME TAXES
Federal corporate income tax rate		21.00%	21.00%	30.80%	34.00%
Tax cuts and jobs act net tax expense benefit				$ 422,000
One-time charge to provision for income taxes				$ 2,100,000
Base year allowance for loan losses		$ 2,200,000	$ 2,200,000
Unrecognized deferred tax liability		$ 517,000	$ 517,000
Tax Year 2017
INCOME TAXES
Federal corporate income tax rate	35.00%
Tax Year 2018
INCOME TAXES
Federal corporate income tax rate	21.00%

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Amount of one-time charge to provision for income taxes.

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Amount of deferred tax liability not recognized because of the exceptions to comprehensive recognition of deferred taxes related to bad debt reserve for tax purposes of a qualified lender.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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