Loans, Major Loan Segments and Classes (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Major Loan Segments and Classes [Abstract]
Total gross loans	$ 1,408,791	$ 1,251,987
Allowance for loan losses	(21,212)	(22,761)	$ (19,668)
Deferred cost and fees, net	75	129
Net loans receivable	1,387,654	1,229,355
Residential Real Estate [Member] \| Residential Real Estate [Member]
Major Loan Segments and Classes [Abstract]
Total gross loans	372,443	360,824
Allowance for loan losses	(2,613)	(2,373)	(2,012)
Residential Real Estate [Member] \| Construction and Land [Member]
Major Loan Segments and Classes [Abstract]
Total gross loans	19,072	15,298
Allowance for loan losses	(181)	(141)	(106)
Residential Real Estate [Member] \| Multi-family [Member]
Major Loan Segments and Classes [Abstract]
Total gross loans	66,496	63,822
Allowance for loan losses	(197)	(119)	(186)
Commercial Real Estate [Member] \| Real Estate [Member]
Major Loan Segments and Classes [Abstract]
Total gross loans	693,436	595,635
Allowance for loan losses	(13,020)	(16,221)	(13,049)
Commercial Real Estate [Member] \| Construction [Member]
Major Loan Segments and Classes [Abstract]
Total gross loans	121,958	83,748
Allowance for loan losses	(1,622)	(1,114)	(1,535)
Consumer Loan [Member] \| Home Equity [Member]
Major Loan Segments and Classes [Abstract]
Total gross loans	22,752	17,877
Allowance for loan losses	(46)	(89)	(165)
Consumer Loan [Member] \| Consumer Installment [Member]
Major Loan Segments and Classes [Abstract]
Total gross loans	4,612	4,512
Allowance for loan losses	(332)	(349)	(267)
Commercial Loans [Member]
Major Loan Segments and Classes [Abstract]
Total gross loans	108,022	110,271
Allowance for loan losses	$ (3,201)	$ (2,355)	$ (2,348)

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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