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ALLOWANCE FOR LOAN LOSSES - Credit Quality Indicators (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Mar. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	$ 886,533	$ 876,116
Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	881,957	864,483
Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	1,471	5,327
Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	3,105	6,306
Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	0	0
Loss
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	797,516	783,707
Commercial Real Estate Portfolio Segment | Commercial Business
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	165,526	162,796
Commercial Real Estate Portfolio Segment | Commercial Business | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	162,291	159,997
Commercial Real Estate Portfolio Segment | Commercial Business | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	1,375	840
Commercial Real Estate Portfolio Segment | Commercial Business | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	1,860	1,959
Commercial Real Estate Portfolio Segment | Commercial Business | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	0	0
Commercial Real Estate Portfolio Segment | Commercial Business | Loss
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	470,163	461,432
Commercial Real Estate Portfolio Segment | Commercial Real Estate | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	469,080	454,013
Commercial Real Estate Portfolio Segment | Commercial Real Estate | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	64	4,030
Commercial Real Estate Portfolio Segment | Commercial Real Estate | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	1,019	3,389
Commercial Real Estate Portfolio Segment | Commercial Real Estate | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	0	0
Commercial Real Estate Portfolio Segment | Commercial Real Estate | Loss
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	15,163	17,027
Commercial Real Estate Portfolio Segment | Land | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	15,163	16,299
Commercial Real Estate Portfolio Segment | Land | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	0	0
Commercial Real Estate Portfolio Segment | Land | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	0	728
Commercial Real Estate Portfolio Segment | Land | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	0	0
Commercial Real Estate Portfolio Segment | Land | Loss
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	57,792	51,570
Commercial Real Estate Portfolio Segment | Multi-Family | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	57,725	51,093
Commercial Real Estate Portfolio Segment | Multi-Family | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	32	457
Commercial Real Estate Portfolio Segment | Multi-Family | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	35	20
Commercial Real Estate Portfolio Segment | Multi-Family | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	0	0
Commercial Real Estate Portfolio Segment | Multi-Family | Loss
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	88,872	90,882
Commercial Real Estate Portfolio Segment | Real Estate Construction | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	88,872	90,882
Commercial Real Estate Portfolio Segment | Real Estate Construction | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	0	0
Commercial Real Estate Portfolio Segment | Real Estate Construction | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	0	0
Commercial Real Estate Portfolio Segment | Real Estate Construction | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	0	0
Commercial Real Estate Portfolio Segment | Real Estate Construction | Loss
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	89,017	92,409
Consumer | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	88,826	92,199
Consumer | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	0	0
Consumer | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	191	210
Consumer | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	0	0
Consumer | Loss
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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