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ALLOWANCE FOR LOAN LOSSES - Credit Quality Indicators (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Mar. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	$ 881,316	$ 876,116
Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	874,665	864,483
Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	2,318	5,327
Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	4,333	6,306
Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	0	0
Loss [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	0	0
Commercial Real Estate Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	792,671	783,707
Commercial Real Estate Portfolio Segment | Commercial Business
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	167,782	162,796
Commercial Real Estate Portfolio Segment | Commercial Business | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	164,196	159,997
Commercial Real Estate Portfolio Segment | Commercial Business | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	1,817	840
Commercial Real Estate Portfolio Segment | Commercial Business | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	1,769	1,959
Commercial Real Estate Portfolio Segment | Commercial Business | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	0	0
Commercial Real Estate Portfolio Segment | Commercial Business | Loss [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	0	0
Commercial Real Estate Portfolio Segment | Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	471,571	461,432
Commercial Real Estate Portfolio Segment | Commercial Real Estate | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	469,963	454,013
Commercial Real Estate Portfolio Segment | Commercial Real Estate | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	0	4,030
Commercial Real Estate Portfolio Segment | Commercial Real Estate | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	1,608	3,389
Commercial Real Estate Portfolio Segment | Commercial Real Estate | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	0	0
Commercial Real Estate Portfolio Segment | Commercial Real Estate | Loss [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	0	0
Commercial Real Estate Portfolio Segment | Land
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	14,166	17,027
Commercial Real Estate Portfolio Segment | Land | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	13,446	16,299
Commercial Real Estate Portfolio Segment | Land | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	0	0
Commercial Real Estate Portfolio Segment | Land | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	720	728
Commercial Real Estate Portfolio Segment | Land | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	0	0
Commercial Real Estate Portfolio Segment | Land | Loss [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	0	0
Commercial Real Estate Portfolio Segment | Multi-Family
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	55,978	51,570
Commercial Real Estate Portfolio Segment | Multi-Family | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	55,457	51,093
Commercial Real Estate Portfolio Segment | Multi-Family | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	501	457
Commercial Real Estate Portfolio Segment | Multi-Family | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	20	20
Commercial Real Estate Portfolio Segment | Multi-Family | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	0	0
Commercial Real Estate Portfolio Segment | Multi-Family | Loss [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	0	0
Commercial Real Estate Portfolio Segment | Real Estate Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	83,174	90,882
Commercial Real Estate Portfolio Segment | Real Estate Construction | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	83,174	90,882
Commercial Real Estate Portfolio Segment | Real Estate Construction | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	0	0
Commercial Real Estate Portfolio Segment | Real Estate Construction | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	0	0
Commercial Real Estate Portfolio Segment | Real Estate Construction | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	0	0
Commercial Real Estate Portfolio Segment | Real Estate Construction | Loss [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	0	0
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	88,645	92,409
Consumer | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	88,429	92,199
Consumer | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	0	0
Consumer | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	216	210
Consumer | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	0	0
Consumer | Loss [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	$ 0	$ 0

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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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522

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