Loans and Allowance for Loan Losses, Impaired Loans By Loan Portfolio Class (Details) - USD ($) $ in Thousands	3 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Jun. 30, 2022
Loans and Allowance for Loan Losses [Abstract]
Threshold principal amount of nonaccrual loans evaluated individually for impairment	$ 250
With no related allowance recorded [Abstract]
Recorded investment	1,540		$ 1,536
Unpaid principal	1,540		1,536
Average recorded investment	1,526	$ 892
Interest income recognized	15	3
With an allowance recorded [Abstract]
Recorded investment	8,494		9,235
Unpaid principal	8,494		9,235
Related allowance	2,647		2,347
Average recorded investment	8,598	5,149
Interest income recognized	115	58
Total impaired [Abstract]
Recorded investment	10,034		10,771
Unpaid principal	10,034		10,771
Related allowance	2,647		2,347
Average recorded investment	10,124	6,041
Interest income recognized	130	61
Residential Real Estate [Member] \| Residential Real Estate [Member]
With no related allowance recorded [Abstract]
Recorded investment	1,004		990
Unpaid principal	1,004		990
Average recorded investment	986	221
Interest income recognized	9	0
With an allowance recorded [Abstract]
Recorded investment	1,932		1,953
Unpaid principal	1,932		1,953
Related allowance	578		588
Average recorded investment	1,939	718
Interest income recognized	9	5
Total impaired [Abstract]
Recorded investment	2,936		2,943
Unpaid principal	2,936		2,943
Related allowance	578		588
Average recorded investment	2,925	939
Interest income recognized	18	5
Commercial Real Estate [Member] \| Real Estate [Member]
With no related allowance recorded [Abstract]
Recorded investment	60		67
Unpaid principal	60		67
Average recorded investment	63	445
Interest income recognized	2	3
With an allowance recorded [Abstract]
Recorded investment	3,214		3,698
Unpaid principal	3,214		3,698
Related allowance	1,070		1,118
Average recorded investment	3,229	780
Interest income recognized	44	10
Total impaired [Abstract]
Recorded investment	3,274		3,765
Unpaid principal	3,274		3,765
Related allowance	1,070		1,118
Average recorded investment	3,292	1,225
Interest income recognized	46	13
Commercial Real Estate [Member] \| Construction [Member]
With an allowance recorded [Abstract]
Recorded investment	102		102
Unpaid principal	102		102
Related allowance	1		1
Average recorded investment	102	102
Interest income recognized	0	0
Total impaired [Abstract]
Recorded investment	102		102
Unpaid principal	102		102
Related allowance	1		1
Average recorded investment	102	102
Interest income recognized	0	0
Consumer Loan [Member] \| Home Equity [Member]
With no related allowance recorded [Abstract]
Recorded investment	128		128
Unpaid principal	128		128
Average recorded investment	128	128
Interest income recognized	0	0
With an allowance recorded [Abstract]
Recorded investment	320		320
Unpaid principal	320		320
Related allowance	5		44
Average recorded investment	320	321
Interest income recognized	4	3
Total impaired [Abstract]
Recorded investment	448		448
Unpaid principal	448		448
Related allowance	5		44
Average recorded investment	448	449
Interest income recognized	4	3
Consumer Loan [Member] \| Consumer Installment [Member]
With no related allowance recorded [Abstract]
Recorded investment	5		5
Unpaid principal	5		5
Average recorded investment	5	0
Interest income recognized	0	0
With an allowance recorded [Abstract]
Related allowance	0
Total impaired [Abstract]
Recorded investment	5		5
Unpaid principal	5		5
Related allowance	0
Average recorded investment	5	0
Interest income recognized	0	0
Commercial Loans [Member]
With no related allowance recorded [Abstract]
Recorded investment	343		346
Unpaid principal	343		346
Average recorded investment	344	98
Interest income recognized	4	0
With an allowance recorded [Abstract]
Recorded investment	2,926		3,162
Unpaid principal	2,926		3,162
Related allowance	993		596
Average recorded investment	3,008	3,228
Interest income recognized	58	40
Total impaired [Abstract]
Recorded investment	3,269		3,508
Unpaid principal	3,269		3,508
Related allowance	993		$ 596
Average recorded investment	3,352	3,326
Interest income recognized	$ 62	$ 40

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Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

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