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Loans and Allowance for Loan Losses, Impaired Loans By Loan Portfolio Class (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2022 | Dec. 31, 2021 | Jun. 30, 2022
Loans and Allowance for Loan Losses [Abstract] |  |  |  |  |
Threshold principal amount of nonaccrual loans evaluated individually for impairment | $ 250 |  | $ 250 |  |
With no related allowance recorded [Abstract] |  |  |  |  |
Recorded investment | 1,628 |  | 1,628 |  | $ 1,536
Unpaid principal | 1,628 |  | 1,628 |  | 1,536
Average recorded investment | 1,768 | $ 1,511 | 1,648 | $ 1,201 |
Interest income recognized | 12 | 17 | 19 | 20 |
With an allowance recorded [Abstract] |  |  |  |  |
Recorded investment | 8,614 |  | 8,614 |  | 9,235
Unpaid principal | 8,614 |  | 8,614 |  | 9,235
Related allowance | 2,617 |  | 2,617 |  | 2,347
Average recorded investment | 8,799 | 6,477 | 8,698 | 5,813 |
Interest income recognized | 57 | 86 | 111 | 144 |
Total impaired [Abstract] |  |  |  |  |
Recorded investment | 10,242 |  | 10,242 |  | 10,771
Unpaid principal | 10,242 |  | 10,242 |  | 10,771
Related allowance | 2,617 |  | 2,617 |  | 2,347
Average recorded investment | 10,567 | 7,988 | 10,346 | 7,014 |
Interest income recognized | 69 | 103 | 130 | 164 |
Residential Real Estate [Member] | Real Estate [Member] |  |  |  |  |
With no related allowance recorded [Abstract] |  |  |  |  |
Recorded investment | 785 |  | 785 |  | 990
Unpaid principal | 785 |  | 785 |  | 990
Average recorded investment | 923 | 664 | 954 | 442 |
Interest income recognized | 2 | 10 | 2 | 10 |
With an allowance recorded [Abstract] |  |  |  |  |
Recorded investment | 2,428 |  | 2,428 |  | 1,953
Unpaid principal | 2,428 |  | 2,428 |  | 1,953
Related allowance | 587 |  | 587 |  | 588
Average recorded investment | 2,301 | 1,958 | 2,120 | 1,338 |
Interest income recognized | 5 | 28 | 7 | 33 |
Total impaired [Abstract] |  |  |  |  |
Recorded investment | 3,213 |  | 3,213 |  | 2,943
Unpaid principal | 3,213 |  | 3,213 |  | 2,943
Related allowance | 587 |  | 587 |  | 588
Average recorded investment | 3,224 | 2,622 | 3,074 | 1,780 |
Interest income recognized | 7 | 38 | 9 | 43 |
Commercial Real Estate [Member] | Real Estate [Member] |  |  |  |  |
With no related allowance recorded [Abstract] |  |  |  |  |
Recorded investment | 371 |  | 371 |  | 67
Unpaid principal | 371 |  | 371 |  | 67
Average recorded investment | 372 | 539 | 218 | 492 |
Interest income recognized | 6 | 5 | 8 | 8 |
With an allowance recorded [Abstract] |  |  |  |  |
Recorded investment | 4,100 |  | 4,100 |  | 3,698
Unpaid principal | 4,100 |  | 4,100 |  | 3,698
Related allowance | 1,090 |  | 1,090 |  | 1,118
Average recorded investment | 3,805 | 612 | 3,517 | 696 |
Interest income recognized | 41 | 8 | 73 | 18 |
Total impaired [Abstract] |  |  |  |  |
Recorded investment | 4,471 |  | 4,471 |  | 3,765
Unpaid principal | 4,471 |  | 4,471 |  | 3,765
Related allowance | 1,090 |  | 1,090 |  | 1,118
Average recorded investment | 4,177 | 1,151 | 3,735 | 1,188 |
Interest income recognized | 47 | 13 | 81 | 26 |
Commercial Real Estate [Member] | Construction [Member] |  |  |  |  |
With an allowance recorded [Abstract] |  |  |  |  |
Recorded investment | 102 |  | 102 |  | 102
Unpaid principal | 102 |  | 102 |  | 102
Related allowance | 1 |  | 1 |  | 1
Average recorded investment | 102 | 102 | 102 | 102 |
Interest income recognized | 0 | 0 | 0 | 0 |
Total impaired [Abstract] |  |  |  |  |
Recorded investment | 102 |  | 102 |  | 102
Unpaid principal | 102 |  | 102 |  | 102
Related allowance | 1 |  | 1 |  | 1
Average recorded investment | 102 | 102 | 102 | 102 |
Interest income recognized | 0 | 0 | 0 | 0 |
Consumer Loan [Member] | Home Equity [Member] |  |  |  |  |
With no related allowance recorded [Abstract] |  |  |  |  |
Recorded investment | 128 |  | 128 |  | 128
Unpaid principal | 128 |  | 128 |  | 128
Average recorded investment | 128 | 128 | 128 | 128 |
Interest income recognized | 0 | 0 | 0 | 0 |
With an allowance recorded [Abstract] |  |  |  |  |
Recorded investment | 0 |  | 0 |  | 320
Unpaid principal | 0 |  | 0 |  | 320
Related allowance | 0 |  | 0 |  | 44
Average recorded investment | 0 | 321 | 160 | 321 |
Interest income recognized | 0 | 3 | 4 | 6 |
Total impaired [Abstract] |  |  |  |  |
Recorded investment | 128 |  | 128 |  | 448
Unpaid principal | 128 |  | 128 |  | 448
Related allowance | 0 |  | 0 |  | 44
Average recorded investment | 128 | 449 | 288 | 449 |
Interest income recognized | 0 | 3 | 4 | 6 |
Consumer Loan [Member] | Consumer Installment [Member] |  |  |  |  |
With no related allowance recorded [Abstract] |  |  |  |  |
Recorded investment | 4 |  | 4 |  | 5
Unpaid principal | 4 |  | 4 |  | 5
Average recorded investment | 4 | 0 | 5 | 0 |
Interest income recognized | 0 | 0 | 1 | 0 |
With an allowance recorded [Abstract] |  |  |  |  |
Related allowance | 0 |  | 0 |  | 0
Total impaired [Abstract] |  |  |  |  |
Recorded investment | 4 |  | 4 |  | 5
Unpaid principal | 4 |  | 4 |  | 5
Related allowance | 0 |  | 0 |  | 0
Average recorded investment | 4 | 0 | 5 | 0 |
Interest income recognized | 0 | 0 | 1 | 0 |
Commercial Loans [Member] |  |  |  |  |
With no related allowance recorded [Abstract] |  |  |  |  |
Recorded investment | 340 |  | 340 |  | 346
Unpaid principal | 340 |  | 340 |  | 346
Average recorded investment | 341 | 180 | 343 | 139 |
Interest income recognized | 4 | 2 | 8 | 2 |
With an allowance recorded [Abstract] |  |  |  |  |
Recorded investment | 1,984 |  | 1,984 |  | 3,162
Unpaid principal | 1,984 |  | 1,984 |  | 3,162
Related allowance | 939 |  | 939 |  | 596
Average recorded investment | 2,591 | 3,484 | 2,799 | 3,356 |
Interest income recognized | 11 | 47 | 27 | 87 |
Total impaired [Abstract] |  |  |  |  |
Recorded investment | 2,324 |  | 2,324 |  | 3,508
Unpaid principal | 2,324 |  | 2,324 |  | 3,508
Related allowance | 939 |  | 939 |  | $ 596
Average recorded investment | 2,932 | 3,664 | 3,142 | 3,495 |
Interest income recognized | $ 15 | $ 49 | $ 35 | $ 89 |

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