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LOANS RECEIVABLE - Additional information (Details)	12 Months Ended
	Mar. 31, 2022 USD ($) item	Mar. 31, 2021 USD ($) item
LOANS RECEIVABLE
Net deferred loan fees	$ 4,500,000	$ 6,600,000
Number of Loans to Foreign Domiciled Businesses or Foreign Countries | item	0	0
Discount on Loans receivable	$ 371,000	$ 722,000
Premiums On Loans Receivable.	$ 2,400,000
Premiums On Loans Receivable		956,000
Percentage of loans and extensions of credit outstanding	15.00%
Loans pledged as collateral	$ 567,700,000
Total loans	990,408,000	943,235,000
Commercial Real Estate Portfolio Segment
LOANS RECEIVABLE
Total loans	906,855,000	884,656,000
Consumer
LOANS RECEIVABLE
Total loans	83,553,000	58,579,000
PPP
LOANS RECEIVABLE
Net deferred loan fees	99,000	2,700,000
PPP | Commercial Real Estate Portfolio Segment
LOANS RECEIVABLE
Total loans	$ 3,100,000	93,400,000
Raw Land Loans [Member] | Commercial Real Estate Portfolio Segment
LOANS RECEIVABLE
Maximum loan-to-value ratio	65.00%
Land and Land Improvements [Member] | Commercial Real Estate Portfolio Segment
LOANS RECEIVABLE
Maximum loan-to-value ratio	75.00%
Real estate one-to-four family | Consumer
LOANS RECEIVABLE
Total loans	$ 82,006,000	56,405,000
Maximum loan-to-value ratio	80.00%
Real estate one-to-four family | Consumer | Minimum
LOANS RECEIVABLE
Terms of maturity	15 years
Real estate one-to-four family | Consumer | Maximum
LOANS RECEIVABLE
Terms of maturity	30 years
Commercial Real Estate
LOANS RECEIVABLE
Total loans	$ 582,837,000	543,467,000
Commercial Real Estate | Commercial Real Estate Portfolio Segment
LOANS RECEIVABLE
Total loans	$ 582,837,000	$ 543,467,000
Commercial Real Estate | Commercial Real Estate Portfolio Segment | Minimum
LOANS RECEIVABLE
Maximum loan-to-value ratio	65.00%
Commercial Real Estate | Commercial Real Estate Portfolio Segment | Maximum
LOANS RECEIVABLE
Maximum loan-to-value ratio	80.00%

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The number of loans to foreign domiciled businesses or foreign countries.

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Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for loans and leases covered under loss sharing agreements.

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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Carrying amount as of the balance sheet date of loans that have been pledged as collateral for borrowings. If the secured party has the right by contract or custom to sell or re-pledge the collateral, then the debtor reclassifies that asset and report that asset in its statement of financial position separately from other assets not so encumbered.

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Disclosure of the unamortized amount of the premium on the note or receivable which is added to the face amount of the receivable or loan. The discount or premium is defined as the difference between the present value and the face amount.

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