Summary of Significant Accounting Policies - Schedule of Impact of ASC 326 on Consolidated Balance Sheet (Details) - USD ($)	Jun. 30, 2025	Jun. 30, 2024	Jul. 01, 2023
Assets [Abstract]
Allowance for credit losses			$ (1,163,000)
Deferred income taxes	$ 2,708,000	$ 3,586,000	1,971,000
Liabilities [Abstract]
Liability for credit losses for unfunded commitments	0	0
Retained earnings	$ 120,505,000	$ 116,205,000	127,065,000
ASU 2016-13
Liabilities [Abstract]
Retained earnings			34,000
Pre-ASC 326
Assets [Abstract]
Allowance for credit losses			(1,116,000)
Deferred income taxes			1,958,000
Liabilities [Abstract]
Retained earnings			127,099,000
Impact of ASC 326 | ASU 2016-13
Assets [Abstract]
Allowance for credit losses			(47,000)
Deferred income taxes			13,000
Liabilities [Abstract]
Retained earnings			(34,000)
Other Commercial Real Estate
Assets [Abstract]
Allowance for credit losses			(4,000)
Other Commercial Real Estate | Pre-ASC 326
Assets [Abstract]
Allowance for credit losses			(4,000)
Residential
Assets [Abstract]
Allowance for credit losses			(1,066,000)
Residential | Pre-ASC 326
Assets [Abstract]
Allowance for credit losses			(1,039,000)
Residential | Impact of ASC 326 | ASU 2016-13
Assets [Abstract]
Allowance for credit losses			(27,000)
Consumer
Assets [Abstract]
Allowance for credit losses			(93,000)
Consumer | Pre-ASC 326
Assets [Abstract]
Allowance for credit losses			(73,000)
Consumer | Impact of ASC 326 | ASU 2016-13
Assets [Abstract]
Allowance for credit losses			$ (20,000)