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Investment Securities (Details) - Schedule of Gross Unrealized or Unrecognized Gains and Losses - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Dec. 31, 2023	Jun. 30, 2023
Agency mortgage-backed: residential [Member]
Available-for-sale Securities
Available-for-sale Securities, Amortized cost	$ 11,363	$ 12,649
Available-for-sale Securities, Gross unrealized gains	1
Available-for-sale Securities, Gross unrealized (losses)	446	569
Available-for-sale Securities, Estimated fair value	10,918	12,080
Held-to-maturity Securities
Held-to-maturity Securities, Amortized cost	234	274
Held-to-maturity Securities, Gross unrealized gains
Held-to-maturity Securities, Gross unrealized (losses)	11	15
Held-to-maturity Securities, Estimated fair value	223	259
Total Temporarily Impaired AFS Securities [Member]
Available-for-sale Securities
Available-for-sale Securities, Amortized cost	11,354	12,649
Available-for-sale Securities, Gross unrealized (losses)	(446)	569
Available-for-sale Securities, Estimated fair value	10,908	12,080
Total Temporarily Impaired HTM Securities [Member]
Held-to-maturity Securities
Held-to-maturity Securities, Amortized cost	234	274
Held-to-maturity Securities, Gross unrealized (losses)	(11)	15
Held-to-maturity Securities, Estimated fair value	223	259
Less Than 12 Months [Member] | Mortgage-backed securities [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	70
Held-to-maturity Securities, Gross unrealized (losses)	(1)
Held-to-maturity Securities, Estimated fair value	69
12 Months or More [Member] | Mortgage-backed securities [Member]
Available-for-sale Securities
Available-for-sale Securities, Amortized cost	11,354
Available-for-sale Securities, Gross unrealized (losses)	(446)
Available-for-sale Securities, Estimated fair value	10,908
Held-to-maturity Securities
Held-to-maturity Securities, Amortized cost	164	274
Held-to-maturity Securities, Gross unrealized (losses)	(10)	15
Held-to-maturity Securities, Estimated fair value	$ 154	$ 259

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