Securities - Schedule of Debt Securities Fair Value To Amortized Cost Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
Securities available for sale
Amortized Cost, Total	$ 90	$ 114
Available-for-sale securities, Allowance for Credit Losses	0	0
Available-for-sale securities, Net Carrying Amount	90	114
Available-for-sale securities, Gross Unrealized Gains	1	0
Available-for-sale securities, Gross Unrealized Losses	0	(1)
Available-for-sale securities, Estimated Fair Value	91	113
Securities held to maturity
Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Total	145,752	146,994
Held-to-maturity securities, Amortized Cost	145,956	147,143
Held-to-maturity securities, Allowance for Credit Losses	204	149
Securities Held to maturity, Net Carrying Amount	145,752	146,994
Held-to-maturity securities, Unrealized Gains	215	36
Held-to-maturity securities, Unrealized Losses	(9,532)	(13,610)
Held-to-maturity securities, Fair Value	136,435	133,420
Agency Securities [Member]
Securities available for sale
Amortized Cost, Total	90
Securities held to maturity
Held-to-maturity securities, Allowance for Credit Losses	204	149	$ 0
Held-to-maturity securities, Fair Value	145,956	147,143
Government-sponsored enterprises: Debt obligations [Member]
Securities held to maturity
Held-to-maturity securities, Fair Value		998
Government-sponsored enterprises: Debt obligations [Member] \| Agency Securities [Member]
Securities held to maturity
Held-to-maturity securities, Amortized Cost		998
Held-to-maturity securities, Allowance for Credit Losses		0
Securities Held to maturity, Net Carrying Amount		998
Held-to-maturity securities, Unrealized Gains		0
Held-to-maturity securities, Unrealized Losses		(19)
Held-to-maturity securities, Fair Value		979
Government-sponsored enterprises: Mortgage-backed securities - residential [Member]
Securities available for sale
Amortized Cost, Total	90	114
Securities held to maturity
Held-to-maturity securities, Fair Value	50,224	46,556
Government-sponsored enterprises: Mortgage-backed securities - residential [Member] \| Agency Securities [Member]
Securities available for sale
Amortized Cost, Total	90	114
Available-for-sale securities, Allowance for Credit Losses	0	0
Available-for-sale securities, Net Carrying Amount	90	114
Available-for-sale securities, Gross Unrealized Gains	1	0
Available-for-sale securities, Gross Unrealized Losses	0	(1)
Available-for-sale securities, Estimated Fair Value	91	113
Securities held to maturity
Held-to-maturity securities, Amortized Cost	50,224	46,556
Held-to-maturity securities, Allowance for Credit Losses	0	0
Securities Held to maturity, Net Carrying Amount	50,224	46,556
Held-to-maturity securities, Unrealized Gains	179	13
Held-to-maturity securities, Unrealized Losses	(1,512)	(2,763)
Held-to-maturity securities, Fair Value	48,891	43,806
Government-sponsored enterprises: commercial [Member]
Securities held to maturity
Held-to-maturity securities, Fair Value	4,872	4,462
Government-sponsored enterprises: commercial [Member] \| Agency Securities [Member]
Securities held to maturity
Held-to-maturity securities, Amortized Cost	4,872	4,462
Held-to-maturity securities, Allowance for Credit Losses	0	0
Securities Held to maturity, Net Carrying Amount	4,872	4,462
Held-to-maturity securities, Unrealized Gains	6	11
Held-to-maturity securities, Unrealized Losses	(9)	(3)
Held-to-maturity securities, Fair Value	4,869	4,470
Government-sponsored enterprises: Collateralized mortgage obligations [Member]
Securities held to maturity
Held-to-maturity securities, Fair Value	4,167	2,975
Government-sponsored enterprises: Collateralized mortgage obligations [Member] \| Agency Securities [Member]
Securities held to maturity
Held-to-maturity securities, Amortized Cost	4,167	2,975
Held-to-maturity securities, Allowance for Credit Losses	0	0
Securities Held to maturity, Net Carrying Amount	4,167	2,975
Held-to-maturity securities, Unrealized Gains	0	9
Held-to-maturity securities, Unrealized Losses	(5)	0
Held-to-maturity securities, Fair Value	4,162	2,984
Municipal Bonds [Member]
Securities held to maturity
Held-to-maturity securities, Fair Value	37,950	41,171
Municipal Bonds [Member] \| Agency Securities [Member]
Securities held to maturity
Held-to-maturity securities, Amortized Cost	37,950	41,171
Held-to-maturity securities, Allowance for Credit Losses	1	2	0
Securities Held to maturity, Net Carrying Amount	37,949	41,169
Held-to-maturity securities, Unrealized Gains	1	0
Held-to-maturity securities, Unrealized Losses	(5,435)	(6,347)
Held-to-maturity securities, Fair Value	32,515	34,822
Corporate bonds [Member]
Securities held to maturity
Held-to-maturity securities, Fair Value	48,743	50,981
Corporate bonds [Member] \| Agency Securities [Member]
Securities held to maturity
Held-to-maturity securities, Amortized Cost	48,743	50,981
Held-to-maturity securities, Allowance for Credit Losses	203	147	$ 0
Securities Held to maturity, Net Carrying Amount	48,540	50,834
Held-to-maturity securities, Unrealized Gains	29	3
Held-to-maturity securities, Unrealized Losses	(2,571)	(4,478)
Held-to-maturity securities, Fair Value	$ 45,998	$ 46,359

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Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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