Loans and Allowance for Loan Losses, Delinquent and/or Nonaccrual Loans by Past Due Status (Details) $ in Thousands	6 Months Ended
	Dec. 31, 2022 USD ($) Loan	Jun. 30, 2022 USD ($) Loan
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	$ 1,390,055	$ 1,251,987
Loans on non-accrual	5,377	6,317
Loans in the process of foreclosure	669	528
Nonaccrual loans with recent history of delinquency greater than 90 days	3,100	4,400
Loan repayments	1,100
Loans returning to performing status	134
Charge-offs	7
Loans placed into nonperforming status	277
Accruing loans delinquent more than 90 days	0	0
Total Past Due [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	9,550	4,135
30 to 59 Days Past Due [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	5,910	91
60 to 89 Days Past Due [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	1,382	2,107
90 Days or More Past Due [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	2,258	1,937
Current [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	1,380,505	1,247,852
Residential Real Estate [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Loans in the process of foreclosure	$ 567	$ 426
Number of loans in the process of foreclosure | Loan	5	3
Residential Real Estate [Member] | Real Estate [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	$ 371,646	$ 360,824
Loans on non-accrual	2,685	2,948
Residential Real Estate [Member] | Real Estate [Member] | Total Past Due [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	4,961	2,334
Residential Real Estate [Member] | Real Estate [Member] | 30 to 59 Days Past Due [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	2,410	66
Residential Real Estate [Member] | Real Estate [Member] | 60 to 89 Days Past Due [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	1,009	1,676
Residential Real Estate [Member] | Real Estate [Member] | 90 Days or More Past Due [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	1,542	592
Residential Real Estate [Member] | Real Estate [Member] | Current [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	366,685	358,490
Residential Real Estate [Member] | Construction and Land [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	20,334	15,298
Loans on non-accrual	0	1
Residential Real Estate [Member] | Construction and Land [Member] | Total Past Due [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	0	1
Residential Real Estate [Member] | Construction and Land [Member] | 30 to 59 Days Past Due [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	0	0
Residential Real Estate [Member] | Construction and Land [Member] | 60 to 89 Days Past Due [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	0	1
Residential Real Estate [Member] | Construction and Land [Member] | 90 Days or More Past Due [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	0	0
Residential Real Estate [Member] | Construction and Land [Member] | Current [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	20,334	15,297
Residential Real Estate [Member] | Multi-family [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	67,733	63,822
Loans on non-accrual	0	0
Residential Real Estate [Member] | Multi-family [Member] | Total Past Due [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	0	0
Residential Real Estate [Member] | Multi-family [Member] | 30 to 59 Days Past Due [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	0	0
Residential Real Estate [Member] | Multi-family [Member] | 60 to 89 Days Past Due [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	0	0
Residential Real Estate [Member] | Multi-family [Member] | 90 Days or More Past Due [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	0	0
Residential Real Estate [Member] | Multi-family [Member] | Current [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	67,733	63,822
Commercial Real Estate [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Loans in the process of foreclosure	$ 102	$ 102
Number of loans in the process of foreclosure | Loan	1	1
Commercial Real Estate [Member] | Real Estate [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	$ 705,649	$ 595,635
Loans on non-accrual	828	1,269
Commercial Real Estate [Member] | Real Estate [Member] | Total Past Due [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	2,219	1,532
Commercial Real Estate [Member] | Real Estate [Member] | 30 to 59 Days Past Due [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	1,816	0
Commercial Real Estate [Member] | Real Estate [Member] | 60 to 89 Days Past Due [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	225	385
Commercial Real Estate [Member] | Real Estate [Member] | 90 Days or More Past Due [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	178	1,147
Commercial Real Estate [Member] | Real Estate [Member] | Current [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	703,430	594,103
Commercial Real Estate [Member] | Construction [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	87,267	83,748
Loans on non-accrual	0	0
Commercial Real Estate [Member] | Construction [Member] | Total Past Due [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	0	0
Commercial Real Estate [Member] | Construction [Member] | 30 to 59 Days Past Due [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	0	0
Commercial Real Estate [Member] | Construction [Member] | 60 to 89 Days Past Due [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	0	0
Commercial Real Estate [Member] | Construction [Member] | 90 Days or More Past Due [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	0	0
Commercial Real Estate [Member] | Construction [Member] | Current [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	87,267	83,748
Consumer Loan [Member] | Home Equity [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	20,669	17,877
Loans on non-accrual	185	188
Consumer Loan [Member] | Home Equity [Member] | Total Past Due [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	224	182
Consumer Loan [Member] | Home Equity [Member] | 30 to 59 Days Past Due [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	46	3
Consumer Loan [Member] | Home Equity [Member] | 60 to 89 Days Past Due [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	38	0
Consumer Loan [Member] | Home Equity [Member] | 90 Days or More Past Due [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	140	179
Consumer Loan [Member] | Home Equity [Member] | Current [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	20,445	17,695
Consumer Loan [Member] | Consumer Installment [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	4,588	4,512
Loans on non-accrual	0	7
Consumer Loan [Member] | Consumer Installment [Member] | Total Past Due [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	54	39
Consumer Loan [Member] | Consumer Installment [Member] | 30 to 59 Days Past Due [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	35	22
Consumer Loan [Member] | Consumer Installment [Member] | 60 to 89 Days Past Due [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	19	17
Consumer Loan [Member] | Consumer Installment [Member] | 90 Days or More Past Due [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	0	0
Consumer Loan [Member] | Consumer Installment [Member] | Current [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	4,534	4,473
Commercial Loans [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	112,169	110,271
Loans on non-accrual	1,679	1,904
Commercial Loans [Member] | Total Past Due [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	2,092	47
Commercial Loans [Member] | 30 to 59 Days Past Due [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	1,603	0
Commercial Loans [Member] | 60 to 89 Days Past Due [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	91	28
Commercial Loans [Member] | 90 Days or More Past Due [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	398	19
Commercial Loans [Member] | Current [Member]
Delinquent and/or Nonaccrual Loans by Past Due Status [Abstract]
Total loans	$ 110,077	$ 110,224