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LOANS AND ALLOWANCE FOR CREDIT LOSSES FOR LOANS - Loans receivable, excluding loans held for sale (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Sep. 30, 2023 | Mar. 31, 2023 | Dec. 31, 2022 | Sep. 30, 2022 | Mar. 31, 2022
--- | --- | --- | --- | --- | --- | ---
LOANS RECEIVABLE |  |  |  |  |  |
Total loans | $ 1,018,199 |  |  |  |  |
Less: ACL for loans | 15,361 | $ 15,346 | $ 15,309 |  |  |
Loans receivable, net | 1,002,838 |  |  |  |  |
Total loans |  |  | 1,008,856 |  |  |
Less: ACL for loans |  |  | 15,309 | $ 14,558 | $ 14,552 | $ 14,523
Loans receivable, net |  |  | 993,547 |  |  |
Commercial Real Estate Portfolio Segment |  |  |  |  |  |
LOANS RECEIVABLE |  |  |  |  |  |
Total loans | 920,198 |  |  |  |  |
Total loans |  |  | 907,399 |  |  |
Commercial Real Estate Portfolio Segment | Commercial Business |  |  |  |  |  |
LOANS RECEIVABLE |  |  |  |  |  |
Total loans | 229,249 |  |  |  |  |
Less: ACL for loans | 5,265 | 5,339 | 3,123 |  |  |
Total loans |  |  | 232,868 |  |  |
Less: ACL for loans |  |  | 3,123 | 2,890 | 2,789 | 2,422
Commercial Real Estate Portfolio Segment | Commercial Real Estate |  |  |  |  |  |
LOANS RECEIVABLE |  |  |  |  |  |
Total loans | 573,075 |  |  |  |  |
Less: ACL for loans | 7,279 | 7,138 | 8,894 |  |  |
Total loans |  |  | 564,496 |  |  |
Less: ACL for loans |  |  | 8,894 | 7,976 | 8,230 | 9,037
Commercial Real Estate Portfolio Segment | Land |  |  |  |  |  |
LOANS RECEIVABLE |  |  |  |  |  |
Total loans | 8,690 |  |  |  |  |
Less: ACL for loans | 157 | 112 | 93 |  |  |
Total loans |  |  | 6,437 |  |  |
Less: ACL for loans |  |  | 93 | 98 | 124 | 168
Commercial Real Estate Portfolio Segment | Multi-Family |  |  |  |  |  |
LOANS RECEIVABLE |  |  |  |  |  |
Total loans | 67,017 |  |  |  |  |
Less: ACL for loans | 334 | 293 | 798 |  |  |
Total loans |  |  | 55,836 |  |  |
Less: ACL for loans |  |  | 798 | 815 | 856 | 845
Commercial Real Estate Portfolio Segment | Real Estate Construction |  |  |  |  |  |
LOANS RECEIVABLE |  |  |  |  |  |
Total loans | 42,167 |  |  |  |  |
Less: ACL for loans | 731 | 860 | 764 |  |  |
Total loans |  |  | 47,762 |  |  |
Less: ACL for loans |  |  | 764 | 844 | 638 | 393
Consumer |  |  |  |  |  |
LOANS RECEIVABLE |  |  |  |  |  |
Total loans | 98,001 |  |  |  |  |
Less: ACL for loans | 1,595 | $ 1,604 | 1,127 |  |  |
Total loans |  |  | 101,457 |  |  |
Less: ACL for loans |  |  | 1,127 | $ 1,189 | $ 1,225 | $ 943
Consumer | Real estate one-to-four family |  |  |  |  |  |
LOANS RECEIVABLE |  |  |  |  |  |
Total loans | 96,266 |  |  |  |  |
Total loans |  |  | 99,673 |  |  |
Consumer | Other installment |  |  |  |  |  |
LOANS RECEIVABLE |  |  |  |  |  |
Total loans | $ 1,735 |  |  |  |  |
Total loans |  |  | $ 1,784 |  |  |

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