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LOANS RECEIVABLE - Additional information (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Net deferred loan fees | $ 6,600,000 | $ 4,100,000
Discount on Loans receivable | 722,000 | 1,100,000
Premiums On Loans Receivable | $ 956,000 | 1,500,000
Percentage of loans and extensions of credit outstanding | 15.00% |
Loans pledged as collateral | $ 486,700,000 |
PPP |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Net deferred loan fees | $ 2,700,000 | $ 0
Commercial real estate | Commercial Real Estate Portfolio Segment | Minimum |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Maximum loan-to-value ratio | 65.00% |
Commercial real estate | Commercial Real Estate Portfolio Segment | Maximum |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Maximum loan-to-value ratio | 80.00% |
Raw Land Loans [Member] | Commercial Real Estate Portfolio Segment |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Maximum loan-to-value ratio | 65.00% |
Land and Land Improvements [Member] | Commercial Real Estate Portfolio Segment |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Maximum loan-to-value ratio | 75.00% |
Real estate one-to-four family | Consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Maximum loan-to-value ratio | 80.00% |
Real estate one-to-four family | Consumer | Minimum |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Terms of maturity | 15 years |
Real estate one-to-four family | Consumer | Maximum |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Terms of maturity | 30 years |

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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=121568338&loc=d3e45377-112738 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5074-111524 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84159169&loc=d3e10152-111534 + Details
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