Loans and Allowance for Credit Losses on Loans, Activity and Allocation of Allowance for Loan Losses (Details) - USD ($) $ in Thousands		12 Months Ended
		Jun. 30, 2024		Jun. 30, 2023
Activity and Allocation of Allowance for Loan Losses by Loan Class [Roll Forward]
Balance, beginning of period		$ 21,212	[1]	$ 22,761
Charge-offs		1,633		664
Recoveries		211		186
Provision		786		(1,071)
Balance, end of period	[1]	19,244		21,212
Residential Portfolio [Member] | Construction and Land [Member]
Activity and Allocation of Allowance for Loan Losses by Loan Class [Roll Forward]
Balance, beginning of period		181		141
Charge-offs				0
Recoveries				0
Provision				40
Balance, end of period				181
Residential Portfolio [Member] | Real Estate [Member]
Activity and Allocation of Allowance for Loan Losses by Loan Class [Roll Forward]
Balance, beginning of period		2,613		2,373
Charge-offs				0
Recoveries				6
Provision				234
Balance, end of period				2,613
Commercial Real Estate Portfolio [Member] | Multi-family [Member]
Activity and Allocation of Allowance for Loan Losses by Loan Class [Roll Forward]
Balance, beginning of period		197		119
Charge-offs				0
Recoveries				0
Provision				78
Balance, end of period				197
Commercial Real Estate Portfolio [Member] | Real Estate [Member]
Activity and Allocation of Allowance for Loan Losses by Loan Class [Roll Forward]
Balance, beginning of period		14,839
Charge-offs		0
Recoveries		3
Provision		265
Balance, end of period		12,218		14,839
Commercial Real Estate Portfolio [Member] | Real Estate Loan Excluding Construction [Member]
Activity and Allocation of Allowance for Loan Losses by Loan Class [Roll Forward]
Balance, beginning of period		13,020		16,221
Charge-offs				9
Recoveries				4
Provision				(3,196)
Balance, end of period				13,020
Commercial Real Estate Portfolio [Member] | Construction [Member]
Activity and Allocation of Allowance for Loan Losses by Loan Class [Roll Forward]
Balance, beginning of period		1,622		1,114
Charge-offs				0
Recoveries				0
Provision				508
Balance, end of period				1,622
Consumer Portfolio [Member] | Home Equity [Member]
Activity and Allocation of Allowance for Loan Losses by Loan Class [Roll Forward]
Balance, beginning of period		46		89
Charge-offs		0		0
Recoveries		0		0
Provision		49		(43)
Balance, end of period		212		46
Consumer Portfolio [Member] | Consumer Installment [Member]
Activity and Allocation of Allowance for Loan Losses by Loan Class [Roll Forward]
Balance, beginning of period		332		349
Charge-offs		481		535
Recoveries		142		141
Provision		370		377
Balance, end of period		500		332
Commercial Portfolio [Member]
Activity and Allocation of Allowance for Loan Losses by Loan Class [Roll Forward]
Balance, beginning of period		3,201		2,355
Charge-offs		1,152		120
Recoveries		66		35
Provision		(159)		931
Balance, end of period		$ 2,077		$ 3,201

[1] Effective July 1, 2023, the allowance calculation is based upon the CECL methodology.  Prior to July 1, 2023, the allowance calculation was based upon the incurred loss methodology.