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Loans Receivable - Summary of Classes of Loan Portfolio (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Jun. 30, 2024 | Sep. 30, 2023
--- | --- | --- | ---
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 |  | $ 102,032 |
2024 |  | 100,224 |
2023 |  | 117,337 |
2022 |  | 97,117 |
2021 |  | 54,031 |
Prior |  | 258,863 |
Revolving |  | 5,413 |
Total | $ 770,629 | 735,017 | $ 695,498
Pass |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 |  | 102,032 |
2024 |  | 100,224 |
2023 |  | 117,337 |
2022 |  | 97,117 |
2021 |  | 54,031 |
Prior |  | 258,813 |
Revolving |  | 5,413 |
Total |  | 734,967 |
Special Mention |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 |  | 0 |
2024 |  | 0 |
2023 |  | 0 |
2022 |  | 0 |
2021 |  | 0 |
Prior |  | 0 |
Revolving |  | 0 |
Total |  | 0 |
Substandard |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 |  | 0 |
2024 |  | 0 |
2023 |  | 0 |
2022 |  | 0 |
2021 |  | 0 |
Prior |  | 50 |
Revolving |  | 0 |
Total |  | 50 |
Doubtful |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 |  | 0 |
2024 |  | 0 |
2023 |  | 0 |
2022 |  | 0 |
2021 |  | 0 |
Prior |  | 0 |
Revolving |  | 0 |
Total |  | 0 |
Loss |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 |  | 0 |
2024 |  | 0 |
2023 |  | 0 |
2022 |  | 0 |
2021 |  | 0 |
Prior |  | 0 |
Revolving |  | 0 |
Total |  | 0 |
Gross Charge-offs |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 0 | 0 |
2024 | 0 | 0 |
2023 | 0 | 0 |
2022 | 0 | 0 |
2021 | 0 | 0 |
2020 | 0 |  |
Prior | 0 | 0 |
Revolving | 0 | 0 |
Total | 0 | 0 |
Owner Occupied Commercial Real Estate |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 0 | 7,133 |
2024 | 7,105 | 7,403 |
2023 | 7,307 | 8,210 |
2022 | 8,134 | 5,507 |
2021 | 5,464 | 1,977 |
2020 | 1,961 |  |
Prior | 29,258 | 29,738 |
Revolving | 0 | 0 |
Total | 59,229 | 59,968 | 60,850
Owner Occupied Commercial Real Estate | Pass |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 0 | 7,133 |
2024 | 7,105 | 7,403 |
2023 | 7,307 | 8,210 |
2022 | 8,134 | 5,507 |
2021 | 5,464 | 1,977 |
2020 | 1,961 |  |
Prior | 29,258 | 29,738 |
Revolving | 0 | 0 |
Total | 59,229 | 59,968 |
Owner Occupied Commercial Real Estate | Special Mention |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 0 | 0 |
2024 | 0 | 0 |
2023 | 0 | 0 |
2022 | 0 | 0 |
2021 | 0 | 0 |
2020 | 0 |  |
Prior | 0 | 0 |
Revolving | 0 | 0 |
Total | 0 | 0 |
Owner Occupied Commercial Real Estate | Substandard |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 0 | 0 |
2024 | 0 | 0 |
2023 | 0 | 0 |
2022 | 0 | 0 |
2021 | 0 | 0 |
2020 | 0 |  |
Prior | 0 | 0 |
Revolving | 0 | 0 |
Total | 0 | 0 |
Owner Occupied Commercial Real Estate | Doubtful |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 0 | 0 |
2024 | 0 | 0 |
2023 | 0 | 0 |
2022 | 0 | 0 |
2021 | 0 | 0 |
2020 | 0 |  |
Prior | 0 | 0 |
Revolving | 0 | 0 |
Total | 0 | 0 |
Owner Occupied Commercial Real Estate | Loss |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 0 | 0 |
2024 | 0 | 0 |
2023 | 0 | 0 |
2022 | 0 | 0 |
2021 | 0 | 0 |
2020 | 0 |  |
Prior | 0 | 0 |
Revolving | 0 | 0 |
Total | 0 | 0 |
Other Commercial Real Estate |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 2,839 | 1,379 |
2024 | 1,374 | 3,978 |
2023 | 3,959 | 3,168 |
2022 | 940 | 1,745 |
2021 | 1,733 | 10,938 |
2020 | 10,836 |  |
Prior | 53,734 | 54,574 |
Revolving | 0 | 0 |
Total | 75,415 | 75,782 | 75,357
Other Commercial Real Estate | Pass |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 2,839 | 1,379 |
2024 | 1,374 | 3,978 |
2023 | 3,959 | 3,168 |
2022 | 940 | 1,745 |
2021 | 1,733 | 10,938 |
2020 | 10,836 |  |
Prior | 53,734 | 54,574 |
Revolving | 0 | 0 |
Total | 75,415 | 75,782 |
Other Commercial Real Estate | Special Mention |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 0 | 0 |
2024 | 0 | 0 |
2023 | 0 | 0 |
2022 | 0 | 0 |
2021 | 0 | 0 |
2020 | 0 |  |
Prior | 0 | 0 |
Revolving | 0 | 0 |
Total | 0 | 0 |
Other Commercial Real Estate | Substandard |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 0 | 0 |
2024 | 0 | 0 |
2023 | 0 | 0 |
2022 | 0 | 0 |
2021 | 0 | 0 |
2020 | 0 |  |
Prior | 0 | 0 |
Revolving | 0 | 0 |
Total | 0 | 0 |
Other Commercial Real Estate | Doubtful |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 0 | 0 |
2024 | 0 | 0 |
2023 | 0 | 0 |
2022 | 0 | 0 |
2021 | 0 | 0 |
2020 | 0 |  |
Prior | 0 | 0 |
Revolving | 0 | 0 |
Total | 0 | 0 |
Other Commercial Real Estate | Loss |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 0 | 0 |
2024 | 0 | 0 |
2023 | 0 | 0 |
2022 | 0 | 0 |
2021 | 0 | 0 |
2020 | 0 |  |
Prior | 0 | 0 |
Revolving | 0 | 0 |
Total | 0 | 0 |
Multi-Family |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 1,496 | 21,100 |
2024 | 28,851 | 29,070 |
2023 | 28,886 | 25,713 |
2022 | 25,569 | 14,135 |
2021 | 13,878 | 8,989 |
2020 | 8,940 |  |
Prior | 79,916 | 81,357 |
Revolving | 0 | 0 |
Total | 205,929 | 180,364 | 171,427
Multi-Family | Pass |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 19,889 | 21,100 |
2024 | 28,851 | 29,070 |
2023 | 28,886 | 25,713 |
2022 | 25,569 | 14,135 |
2021 | 13,878 | 8,989 |
2020 | 8,940 |  |
Prior | 79,916 | 81,357 |
Revolving | 0 | 0 |
Total | 205,929 | 180,364 |
Multi-Family | Special Mention |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 0 | 0 |
2024 | 0 | 0 |
2023 | 0 | 0 |
2022 | 0 | 0 |
2021 | 0 | 0 |
2020 | 0 |  |
Prior | 0 | 0 |
Revolving | 0 | 0 |
Total | 0 | 0 |
Multi-Family | Substandard |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 0 | 0 |
2024 | 0 | 0 |
2023 | 0 | 0 |
2022 | 0 | 0 |
2021 | 0 | 0 |
2020 | 0 |  |
Prior | 0 | 0 |
Revolving | 0 | 0 |
Total | 0 | 0 |
Multi-Family | Doubtful |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 0 | 0 |
2024 | 0 | 0 |
2023 | 0 | 0 |
2022 | 0 | 0 |
2021 | 0 | 0 |
2020 | 0 |  |
Prior | 0 | 0 |
Revolving | 0 | 0 |
Total | 0 | 0 |
Multi-Family | Loss |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 0 | 0 |
2024 | 0 | 0 |
2023 | 0 | 0 |
2022 | 0 | 0 |
2021 | 0 | 0 |
2020 | 0 |  |
Prior | 0 | 0 |
Revolving | 0 | 0 |
Total | 0 | 0 |
Commercial and Industrial |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 0 | 1,225 |
2024 | 1,035 | 4,158 |
2023 | 4,055 | 2,722 |
2022 | 2,682 | 90 |
2021 | 80 | 1,470 |
2020 | 1,455 |  |
Prior | 2,785 | 2,857 |
Revolving | 0 | 0 |
Total | 12,092 | 12,522 | 12,789
Commercial and Industrial | Pass |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 |  | 1,225 |
2024 | 1,035 | 4,158 |
2023 | 4,055 | 2,722 |
2022 | 2,682 | 90 |
2021 | 80 | 1,470 |
2020 | 1,455 |  |
Prior | 2,776 | 2,807 |
Revolving | 0 | 0 |
Total | 12,083 | 12,472 |
Commercial and Industrial | Special Mention |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 0 | 0 |
2024 | 0 | 0 |
2023 | 0 | 0 |
2022 | 0 | 0 |
2021 | 0 | 0 |
2020 | 0 |  |
Prior | 0 | 0 |
Revolving | 0 | 0 |
Total | 0 | 0 |
Commercial and Industrial | Substandard |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 0 | 0 |
2024 | 0 | 0 |
2023 | 0 | 0 |
2022 | 0 | 0 |
2021 | 0 | 0 |
2020 | 0 |  |
Prior | 9 | 50 |
Revolving | 0 | 0 |
Total | 9 | 50 |
Commercial and Industrial | Doubtful |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 0 | 0 |
2024 | 0 | 0 |
2023 | 0 | 0 |
2022 | 0 | 0 |
2021 | 0 | 0 |
2020 | 0 |  |
Prior | 0 | 0 |
Revolving | 0 | 0 |
Total | 0 | 0 |
Commercial and Industrial | Loss |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 0 | 0 |
2024 | 0 | 0 |
2023 | 0 | 0 |
2022 | 0 | 0 |
2021 | 0 | 0 |
2020 | 0 |  |
Prior | 0 | 0 |
Revolving | 0 | 0 |
Total | 0 | 0 |
Residential Mortgage |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 21,322 | 69,868 |
2024 | 68,366 | 54,675 |
2023 | 54,238 | 76,714 |
2022 | 75,397 | 74,771 |
2021 | 71,638 | 30,347 |
2020 | 29,770 |  |
Prior | 85,527 | 88,348 |
Revolving | 0 | 0 |
Total | 406,258 | 394,723 | 362,704
Residential Mortgage | Pass |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 21,322 | 69,868 |
2024 | 68,366 | 54,675 |
2023 | 54,238 | 76,714 |
2022 | 75,397 | 74,771 |
2021 | 71,638 | 30,347 |
2020 | 29,770 |  |
Prior | 85,527 | 88,348 |
Revolving | 0 | 0 |
Total | 406,258 | 394,723 |
Residential Mortgage | Special Mention |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 0 | 0 |
2024 | 0 | 0 |
2023 | 0 | 0 |
2022 | 0 | 0 |
2021 | 0 | 0 |
2020 | 0 |  |
Prior | 0 | 0 |
Revolving | 0 | 0 |
Total | 0 | 0 |
Residential Mortgage | Substandard |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 0 | 0 |
2024 | 0 | 0 |
2023 | 0 | 0 |
2022 | 0 | 0 |
2021 | 0 | 0 |
2020 | 0 |  |
Prior | 0 | 0 |
Revolving | 0 | 0 |
Total | 0 | 0 |
Residential Mortgage | Doubtful |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 0 | 0 |
2024 | 0 | 0 |
2023 | 0 | 0 |
2022 | 0 | 0 |
2021 | 0 | 0 |
2020 | 0 |  |
Prior | 0 | 0 |
Revolving | 0 | 0 |
Total | 0 | 0 |
Residential Mortgage | Loss |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 0 | 0 |
2024 | 0 | 0 |
2023 | 0 | 0 |
2022 | 0 | 0 |
2021 | 0 | 0 |
2020 | 0 |  |
Prior | 0 | 0 |
Revolving | 0 | 0 |
Total | 0 | 0 |
Consumer and Other |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 893 | 1,327 |
2024 | 1,329 | 940 |
2023 | 380 | 810 |
2022 | 798 | 869 |
2021 | 922 | 310 |
2020 | 286 |  |
Prior | 1,784 | 1,989 |
Revolving | 5,314 | 5,413 |
Total | 11,706 | 11,658 | $ 12,371
Consumer and Other | Pass |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 893 | 1,327 |
2024 | 1,329 | 940 |
2023 | 380 | 810 |
2022 | 798 | 869 |
2021 | 922 | 310 |
2020 | 286 |  |
Prior | 1,784 | 1,989 |
Revolving | 5,314 | 5,413 |
Total | 11,706 | 11,658 |
Consumer and Other | Special Mention |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 0 | 0 |
2024 | 0 | 0 |
2023 | 0 | 0 |
2022 | 0 | 0 |
2021 | 0 | 0 |
2020 | 0 |  |
Prior | 0 | 0 |
Revolving | 0 | 0 |
Total | 0 | 0 |
Consumer and Other | Substandard |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 0 | 0 |
2024 | 0 | 0 |
2023 | 0 | 0 |
2022 | 0 | 0 |
2021 | 0 | 0 |
2020 | 0 |  |
Prior | 0 | 0 |
Revolving | 0 | 0 |
Total | 0 | 0 |
Consumer and Other | Doubtful |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 0 | 0 |
2024 | 0 | 0 |
2023 | 0 | 0 |
2022 | 0 | 0 |
2021 | 0 | 0 |
2020 | 0 |  |
Prior | 0 | 0 |
Revolving | 0 | 0 |
Total | 0 | 0 |
Consumer and Other | Loss |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 0 | 0 |
2024 | 0 | 0 |
2023 | 0 | 0 |
2022 | 0 | 0 |
2021 | 0 | 0 |
2020 | 0 |  |
Prior | 0 | 0 |
Revolving | 0 | 0 |
Total | $ 0 | $ 0 |

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