ALLOWANCE FOR LOAN LOSSES - Impaired Loans, Average Recorded Investment and Interest Recognized (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average Recorded Investment	$ 1,423	$ 5,239	$ 1,655	$ 5,230
Interest Recognized on Impaired Loans	6	57	28	110
Commercial Real Estate Portfolio Segment \| Commercial Business
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average Recorded Investment	112	132	115	134
Commercial Real Estate Portfolio Segment \| Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average Recorded Investment	793	2,356	1,018	2,364
Interest Recognized on Impaired Loans		15	16	30
Commercial Real Estate Portfolio Segment \| Land
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average Recorded Investment		714		714
Interest Recognized on Impaired Loans		10		20
Commercial Real Estate Portfolio Segment \| Multi-Family
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average Recorded Investment		1,552		1,551
Interest Recognized on Impaired Loans		22		44
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average Recorded Investment	518	485	522	467
Interest Recognized on Impaired Loans	$ 6	$ 10	$ 12	$ 16

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Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5258-111524

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Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

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