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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Risk category of bank loans by year of origination (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Sep. 30, 2023
Origination year |  |
2024 |  | $ 28,067,000
2023 |  | 163,431,000
2022 |  | 348,286,000
2021 |  | 134,736,000
2020 |  | 86,768,000
Prior |  | 228,753,000
Revolving Loans |  | 25,584,000
Total Loans Receivable |  | 1,015,625,000
Gross write-offs |  |
2023 |  | 11,000
Total Loans Receivable |  | 11,000
Commercial Real Estate Portfolio Segment |  |
Origination year |  |
Total Loans Receivable |  | 917,432,000
Commercial Real Estate Portfolio Segment | Commercial Business |  |
Origination year |  |
2024 |  | 6,242,000
2023 |  | 65,288,000
2022 |  | 90,402,000
2021 |  | 32,287,000
2020 |  | 18,649,000
Prior |  | 14,727,000
Revolving Loans |  | 14,446,000
Total Loans Receivable |  | 242,041,000
Commercial Real Estate Portfolio Segment | Commercial Real Estate |  |
Origination year |  |
2024 |  | 13,180,000
2023 |  | 64,231,000
2022 |  | 143,592,000
2021 |  | 91,021,000
2020 |  | 54,318,000
Prior |  | 195,035,000
Total Loans Receivable |  | 561,377,000
Commercial Real Estate Portfolio Segment | Land |  |
Origination year |  |
2023 |  | 2,741,000
2022 |  | 1,404,000
2021 |  | 1,828,000
2020 |  | 115,000
Prior |  | 470,000
Total Loans Receivable |  | 6,558,000
Commercial Real Estate Portfolio Segment | Multi-Family |  |
Origination year |  |
2024 |  | 526,000
2023 |  | 6,369,000
2022 |  | 32,402,000
2021 |  | 5,270,000
2020 |  | 9,174,000
Prior |  | 2,930,000
Total Loans Receivable |  | 56,671,000
Commercial Real Estate Portfolio Segment | Real Estate Construction |  |
Origination year |  |
2024 |  | 7,837,000
2023 |  | 24,147,000
2022 |  | 18,801,000
Total Loans Receivable |  | 50,785,000
Consumer |  |
Origination year |  |
Total Loans Receivable |  | 98,193,000
Gross write-offs |  |
Total Loans Receivable |  | 11,000
Consumer | Real estate one-to-four family |  |
Origination year |  |
2022 |  | 61,417,000
2021 |  | 4,223,000
2020 |  | 4,464,000
Prior |  | 15,564,000
Revolving Loans |  | 10,683,000
Total Loans Receivable |  | 96,351,000
Consumer | Other installment |  |
Origination year |  |
2024 |  | 282,000
2023 |  | 655,000
2022 |  | 268,000
2021 |  | 107,000
2020 |  | 48,000
Prior |  | 27,000
Revolving Loans |  | 455,000
Total Loans Receivable |  | 1,842,000
Gross write-offs |  |
2023 |  | 11,000
Total Loans Receivable | $ 11,000 | 11,000
Pass |  |
Origination year |  |
2024 |  | 27,827,000
2023 |  | 158,444,000
2022 |  | 344,195,000
2021 |  | 134,650,000
2020 |  | 86,110,000
Prior |  | 208,269,000
Revolving Loans |  | 19,959,000
Total Loans Receivable |  | 979,454,000
Pass | Commercial Real Estate Portfolio Segment | Commercial Business |  |
Origination year |  |
2024 |  | 6,242,000
2023 |  | 64,468,000
2022 |  | 89,457,000
2021 |  | 32,201,000
2020 |  | 18,026,000
Prior |  | 14,329,000
Revolving Loans |  | 8,821,000
Total Loans Receivable |  | 233,544,000
Pass | Commercial Real Estate Portfolio Segment | Commercial Real Estate |  |
Origination year |  |
2024 |  | 13,180,000
2023 |  | 60,424,000
2022 |  | 140,446,000
2021 |  | 91,021,000
2020 |  | 54,318,000
Prior |  | 175,051,000
Total Loans Receivable |  | 534,440,000
Pass | Commercial Real Estate Portfolio Segment | Land |  |
Origination year |  |
2023 |  | 2,381,000
2022 |  | 1,404,000
2021 |  | 1,828,000
2020 |  | 115,000
Prior |  | 470,000
Total Loans Receivable |  | 6,198,000
Pass | Commercial Real Estate Portfolio Segment | Multi-Family |  |
Origination year |  |
2024 |  | 526,000
2023 |  | 6,369,000
2022 |  | 32,402,000
2021 |  | 5,270,000
2020 |  | 9,139,000
Prior |  | 2,868,000
Total Loans Receivable |  | 56,574,000
Pass | Commercial Real Estate Portfolio Segment | Real Estate Construction |  |
Origination year |  |
2024 |  | 7,597,000
2023 |  | 24,147,000
2022 |  | 18,801,000
Total Loans Receivable |  | 50,545,000
Pass | Consumer | Real estate one-to-four family |  |
Origination year |  |
2022 |  | 61,417,000
2021 |  | 4,223,000
2020 |  | 4,464,000
Prior |  | 15,524,000
Revolving Loans |  | 10,683,000
Total Loans Receivable |  | 96,311,000
Pass | Consumer | Other installment |  |
Origination year |  |
2024 |  | 282,000
2023 |  | 655,000
2022 |  | 268,000
2021 |  | 107,000
2020 |  | 48,000
Prior |  | 27,000
Revolving Loans |  | 455,000
Total Loans Receivable |  | 1,842,000
Special Mention |  |
Origination year |  |
2024 |  | 240,000
2023 |  | 4,987,000
2022 |  | 4,091,000
2021 |  | 86,000
2020 |  | 658,000
Prior |  | 19,396,000
Revolving Loans |  | 5,625,000
Total Loans Receivable |  | 35,083,000
Special Mention | Commercial Real Estate Portfolio Segment | Commercial Business |  |
Origination year |  |
2023 |  | 820,000
2022 |  | 945,000
2021 |  | 86,000
2020 |  | 623,000
Prior |  | 295,000
Revolving Loans |  | 5,625,000
Total Loans Receivable |  | 8,394,000
Special Mention | Commercial Real Estate Portfolio Segment | Commercial Real Estate |  |
Origination year |  |
2023 |  | 3,807,000
2022 |  | 3,146,000
Prior |  | 19,069,000
Total Loans Receivable |  | 26,022,000
Special Mention | Commercial Real Estate Portfolio Segment | Land |  |
Origination year |  |
2023 |  | 360,000
Total Loans Receivable |  | 360,000
Special Mention | Commercial Real Estate Portfolio Segment | Multi-Family |  |
Origination year |  |
2020 |  | 35,000
Prior |  | 32,000
Total Loans Receivable |  | 67,000
Special Mention | Commercial Real Estate Portfolio Segment | Real Estate Construction |  |
Origination year |  |
2024 |  | 240,000
Total Loans Receivable |  | 240,000
Substandard |  |
Origination year |  |
Prior |  | 1,088,000
Total Loans Receivable |  | 1,088,000
Substandard | Commercial Real Estate Portfolio Segment | Commercial Business |  |
Origination year |  |
Prior |  | 103,000
Total Loans Receivable |  | 103,000
Substandard | Commercial Real Estate Portfolio Segment | Commercial Real Estate |  |
Origination year |  |
Prior |  | 915,000
Total Loans Receivable |  | 915,000
Substandard | Commercial Real Estate Portfolio Segment | Multi-Family |  |
Origination year |  |
Prior |  | 30,000
Total Loans Receivable |  | 30,000
Substandard | Consumer | Real estate one-to-four family |  |
Origination year |  |
Prior |  | 40,000
Total Loans Receivable |  | $ 40,000

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