ALLOWANCE FOR LOAN LOSSES - Financing Receivables, Aging of Loans (Details) - USD ($) $ in Thousands		Sep. 30, 2021	Mar. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current		$ 912,204	$ 942,423
Non-accrual		395	395
Total Past Due and Non-accrual		2,328	812
Total Loans Receivable		914,532	943,235
30 To 89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current		1,838	241
90 Days and Greater Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current		95	176
Commercial Real Estate Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable		843,753	884,656
Commercial Real Estate Portfolio Segment | Commercial Business
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current		204,631	264,690
Non-accrual		172	182
Total Past Due and Non-accrual		2,078	455
Total Loans Receivable	[1]	206,709	265,145
Commercial Real Estate Portfolio Segment | Commercial Business | 30 To 89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current		1,811	98
Commercial Real Estate Portfolio Segment | Commercial Business | 90 Days and Greater Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current		95	175
Commercial Real Estate Portfolio Segment | Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current		566,910	543,323
Non-accrual		133	144
Total Past Due and Non-accrual		133	144
Total Loans Receivable		567,043	543,467
Commercial Real Estate Portfolio Segment | Land
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current		15,925	14,040
Total Loans Receivable		15,925	14,040
Commercial Real Estate Portfolio Segment | Multi-Family
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current		40,455	45,014
Total Loans Receivable		40,455	45,014
Commercial Real Estate Portfolio Segment | Real Estate Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current		13,621	16,990
Total Loans Receivable		13,621	16,990
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current		70,662	58,366
Non-accrual		90	69
Total Past Due and Non-accrual		117	213
Total Loans Receivable		70,779	58,579
Consumer | 30 To 89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current		$ 27	143
Consumer | 90 Days and Greater Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current			$ 1

[1] SBA PPP loans totaled $32.7 million and $93.4 million at September 30, 2021 and March 31, 2021, respectively.