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Investment Securities (Details) - Schedule of Gross Unrealized or Unrecognized Gains and Losses - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Jun. 30, 2023
Agency mortgage-backed: residential [Member] |  |
Available-for-sale Securities |  |
Available-for-sale Securities, Amortized cost | $ 10,752 | $ 12,649
Available-for-sale Securities, Gross unrealized gains |  |
Available-for-sale Securities, Gross unrealized losses | 527 | 569
Available-for-sale Securities, Estimated fair value | 10,225 | 12,080
Held-to-maturity Securities |  |
Held-to-maturity Securities, Amortized cost | 223 | 274
Held-to-maturity Securities, Gross unrealized gains |  |
Held-to-maturity Securities, Gross unrealized losses | 13 | 15
Held-to-maturity Securities, Estimated fair value | 210 | 259
Mortgage-backed securities [Member] | Less Than 12 Months [Member] |  |
Available-for-sale Securities |  |
Available-for-sale Securities, Amortized cost |  | 12,649
Available-for-sale Securities, Gross unrealized losses |  | 569
Available-for-sale Securities, Estimated fair value |  | 12,080
Held-to-maturity Securities |  |
Held-to-maturity Securities, Amortized cost |  |
Held-to-maturity Securities, Gross unrealized losses |  |
Held-to-maturity Securities, Estimated fair value |  |
Mortgage-backed securities [Member] | 12 Months or More [Member] |  |
Available-for-sale Securities |  |
Available-for-sale Securities, Amortized cost | 10,752 |
Available-for-sale Securities, Gross unrealized losses | 527 |
Available-for-sale Securities, Estimated fair value | 10,225 |
Held-to-maturity Securities |  |
Held-to-maturity Securities, Amortized cost | 223 |
Held-to-maturity Securities, Gross unrealized losses | 13 |
Held-to-maturity Securities, Estimated fair value | 210 |
Total Temporarily Impaired AFS Securities [Member] |  |
Available-for-sale Securities |  |
Available-for-sale Securities, Amortized cost | 10,752 | 12,649
Available-for-sale Securities, Gross unrealized losses | 527 | 569
Available-for-sale Securities, Estimated fair value | 10,225 | 12,080
Total Temporarily Impaired HTM Securities [Member] |  |
Held-to-maturity Securities |  |
Held-to-maturity Securities, Amortized cost | 223 | 274
Held-to-maturity Securities, Gross unrealized losses | 13 | 15
Held-to-maturity Securities, Estimated fair value | $ 210 | 259
Agency mortgage-backed securities [Member] | Less Than 12 Months [Member] |  |
Held-to-maturity Securities |  |
Held-to-maturity Securities, Amortized cost |  |
Held-to-maturity Securities, Gross unrealized losses |  |
Held-to-maturity Securities, Estimated fair value |  |
Agency mortgage-backed securities [Member] | 12 Months or More [Member] |  |
Held-to-maturity Securities |  |
Held-to-maturity Securities, Amortized cost |  | 274
Held-to-maturity Securities, Gross unrealized losses |  | 15
Held-to-maturity Securities, Estimated fair value |  | $ 259

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