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Investment Securities (Details) - Schedule of Gross Unrealized or Unrecognized Gains and Losses - USD ($) $ in Thousands | Sep. 30, 2023 | Jun. 30, 2023
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Agency mortgage-backed: residential [Member] |  |
Available-for-sale Securities |  |
Held-to-maturity Securities, Amortized cost | $ 11,983 | $ 12,649
Held-to-maturity Securities, Gross unrealized gains | 1 |
Held-to-maturity Securities, Gross unrealized (losses) | 754 | 569
Held-to-maturity Securities, Estimated fair value | 11,230 | 12,080
Held-to-maturity Securities |  |
Available-for-sale Securities, Amortized cost | 256 | 274
Available-for-sale Securities, Gross unrealized gains |  |
Available-for-sale Securities, Gross unrealized (losses) | 15 | 15
Available-for-sale Securities, Estimated fair value | 241 | 259
Total Temporarily Impaired AFS Securities [Member] |  |
Available-for-sale Securities |  |
Held-to-maturity Securities, Amortized cost | 11,972 | 12,649
Held-to-maturity Securities, Gross unrealized (losses) | 754 | 569
Held-to-maturity Securities, Estimated fair value | 11,218 | 12,080
Total Temporarily Impaired HTM Securities [Member] |  |
Held-to-maturity Securities |  |
Available-for-sale Securities, Amortized cost | 256 | 274
Available-for-sale Securities, Gross unrealized (losses) | 15 | 15
Available-for-sale Securities, Estimated fair value | 241 | 259
Less Than 12 Months [Member] | Mortgage-backed securities [Member] |  |
Available-for-sale Securities |  |
Held-to-maturity Securities, Amortized cost |  | 12,649
Held-to-maturity Securities, Gross unrealized (losses) |  | 569
Held-to-maturity Securities, Estimated fair value |  | 12,080
Held-to-maturity Securities |  |
Available-for-sale Securities, Amortized cost |  |
Available-for-sale Securities, Gross unrealized (losses) |  |
Available-for-sale Securities, Estimated fair value |  |
More 12 Months [Member] | Mortgage-backed securities [Member] |  |
Available-for-sale Securities |  |
Held-to-maturity Securities, Amortized cost | 11,972 |
Held-to-maturity Securities, Gross unrealized (losses) | 754 |
Held-to-maturity Securities, Estimated fair value | 11,218 |
Held-to-maturity Securities |  |
Available-for-sale Securities, Amortized cost | 256 | 274
Available-for-sale Securities, Gross unrealized (losses) | 15 | 15
Available-for-sale Securities, Estimated fair value | $ 241 | $ 259

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