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LOANS RECEIVABLE - Loans receivable, excluding loans held for sale (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Mar. 31, 2021 | Jun. 30, 2020 | Mar. 31, 2020
--- | --- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Total loans |  | $ 889,479 | $ 943,235 |  |
Less: Allowance for loan losses |  | 17,590 | 19,178 | $ 17,076 | $ 12,624
Loans receivable, net |  | 871,889 | 924,057 |  |
Commercial Real Estate Portfolio Segment |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Total loans |  | 836,187 | 884,656 |  |
Commercial Real Estate Portfolio Segment | Commercial Business |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Total loans | [1] | 216,128 | 265,145 |  |
Less: Allowance for loan losses |  | 2,202 | 2,416 | 2,011 | 2,008
Commercial Real Estate Portfolio Segment | Commercial Real Estate |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Total loans |  | 548,947 | 543,467 |  |
Less: Allowance for loan losses |  | 12,942 | 14,089 | 11,323 | 6,421
Commercial Real Estate Portfolio Segment | Land |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Total loans |  | 14,922 | 14,040 |  |
Less: Allowance for loan losses |  | 237 | 233 | 243 | 230
Commercial Real Estate Portfolio Segment | Multi-Family |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Total loans |  | 44,804 | 45,014 |  |
Less: Allowance for loan losses |  | 607 | 638 | 879 | 854
Commercial Real Estate Portfolio Segment | Real Estate Construction |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Total loans |  | 11,386 | 16,990 |  |
Less: Allowance for loan losses |  | 197 | 294 | 692 | 1,149
Consumer |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Total loans |  | 53,292 | 58,579 |  |
Less: Allowance for loan losses |  | 712 | 852 | $ 1,281 | $ 1,363
Consumer | Real estate one-to-four family |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Total loans |  | 51,480 | 56,405 |  |
Consumer | Other installment |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Total loans |  | $ 1,812 | $ 2,174 |  |
[1] | SBA PPP loans totaled $55.5 million and $93.4 million at June 30, 2021 and March 31, 2021, respectively.

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