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ALLOWANCE FOR LOAN LOSSES - Financing Receivables, Aging of Loans (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Mar. 31, 2020
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Non-accrual | $ 395 | $ 1,395
Total Past Due and Non-accrual | 812 | 1,666
Current | 942,423 | 909,843
Total Loans Receivable | 943,235 | 911,509
30 To 89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past Due | 241 | 271
90 Days and Greater Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past Due | 176 | 0
Commercial Real Estate Portfolio Segment |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans Receivable | 884,656 | 824,143
Commercial Real Estate Portfolio Segment | Commercial business |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Non-accrual | 182 | 201
Total Past Due and Non-accrual | 455 | 201
Current | 264,690 | 178,828
Total Loans Receivable | 265,145 | 179,029
Commercial Real Estate Portfolio Segment | Commercial business | 30 To 89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past Due | 98 | 0
Commercial Real Estate Portfolio Segment | Commercial business | 90 Days and Greater Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past Due | 175 | 0
Commercial Real Estate Portfolio Segment | Commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Non-accrual | 144 | 1,014
Total Past Due and Non-accrual | 144 | 1,014
Current | 543,323 | 506,857
Total Loans Receivable | 543,467 | 507,871
Commercial Real Estate Portfolio Segment | Commercial real estate | 30 To 89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past Due | 0 | 0
Commercial Real Estate Portfolio Segment | Commercial real estate | 90 Days and Greater Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past Due | 0 | 0
Commercial Real Estate Portfolio Segment | Land |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Non-accrual | 0 | 0
Total Past Due and Non-accrual | 0 | 0
Current | 14,040 | 14,026
Total Loans Receivable | 14,040 | 14,026
Commercial Real Estate Portfolio Segment | Land | 30 To 89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past Due | 0 | 0
Commercial Real Estate Portfolio Segment | Land | 90 Days and Greater Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past Due | 0 | 0
Commercial Real Estate Portfolio Segment | Multi-family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Non-accrual | 0 | 0
Total Past Due and Non-accrual | 0 | 0
Current | 45,014 | 58,374
Total Loans Receivable | 45,014 | 58,374
Commercial Real Estate Portfolio Segment | Multi-family | 30 To 89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past Due | 0 | 0
Commercial Real Estate Portfolio Segment | Multi-family | 90 Days and Greater Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past Due | 0 | 0
Commercial Real Estate Portfolio Segment | Real estate construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Non-accrual | 0 | 0
Total Past Due and Non-accrual | 0 | 0
Current | 16,990 | 64,843
Total Loans Receivable | 16,990 | 64,843
Commercial Real Estate Portfolio Segment | Real estate construction | 30 To 89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past Due | 0 | 0
Commercial Real Estate Portfolio Segment | Real estate construction | 90 Days and Greater Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past Due | 0 | 0
Consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Non-accrual | 69 | 180
Total Past Due and Non-accrual | 213 | 451
Current | 58,366 | 86,915
Total Loans Receivable | 58,579 | 87,366
Consumer | 30 To 89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past Due | 143 | 271
Consumer | 90 Days and Greater Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Past Due | $ 1 | $ 0

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