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Loans and Allowance for Credit Losses - Allowance for off-balance credit exposure (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2020
Allowance for off-balance sheet credit exposure: |  |  |
Balance, beginning of period | $ 1,805 | $ 1,959 |
Provision (benefit) charged to expense | 1,553 | (422) | $ 648
Balance, end of period | 3,358 | 1,805 | 1,959
Impact of adoption ASU 2016-13 |  |  |
Allowance for off-balance sheet credit exposure: |  |  |
Balance, beginning of period | 268 |  |
Balance, end of period |  | 268 |
Residential Real Estate |  |  |
Allowance for off-balance sheet credit exposure: |  |  |
Balance, beginning of period | 37 | 19 |
Provision (benefit) charged to expense | 21 | (17) |
Balance, end of period | 58 | 37 | 19
Residential Real Estate | Impact of adoption ASU 2016-13 |  |  |
Allowance for off-balance sheet credit exposure: |  |  |
Balance, beginning of period | 35 |  |
Balance, end of period |  | 35 |
Construction Real Estate |  |  |
Allowance for off-balance sheet credit exposure: |  |  |
Balance, beginning of period | 502 | 769 |
Provision (benefit) charged to expense | 1,676 | (100) |
Balance, end of period | 2,178 | 502 | 769
Construction Real Estate | Impact of adoption ASU 2016-13 |  |  |
Allowance for off-balance sheet credit exposure: |  |  |
Balance, beginning of period | (167) |  |
Balance, end of period |  | (167) |
Commercial Real Estate |  |  |
Allowance for off-balance sheet credit exposure: |  |  |
Balance, beginning of period | 188 | 172 |
Provision (benefit) charged to expense | 233 | (79) |
Balance, end of period | 421 | 188 | 172
Commercial Real Estate | Impact of adoption ASU 2016-13 |  |  |
Allowance for off-balance sheet credit exposure: |  |  |
Balance, beginning of period | 95 |  |
Balance, end of period |  | 95 |
Consumer loans |  |  |
Allowance for off-balance sheet credit exposure: |  |  |
Balance, beginning of period | 218 | 153 |
Provision (benefit) charged to expense | (157) | (132) |
Balance, end of period | 61 | 218 | 153
Consumer loans | Impact of adoption ASU 2016-13 |  |  |
Allowance for off-balance sheet credit exposure: |  |  |
Balance, beginning of period | 197 |  |
Balance, end of period |  | 197 |
Commercial loans |  |  |
Allowance for off-balance sheet credit exposure: |  |  |
Balance, beginning of period | 860 | 846 |
Provision (benefit) charged to expense | (220) | (94) |
Balance, end of period | 640 | 860 | $ 846
Commercial loans | Impact of adoption ASU 2016-13 |  |  |
Allowance for off-balance sheet credit exposure: |  |  |
Balance, beginning of period | $ 108 |  |
Balance, end of period |  | $ 108 |

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- Definition Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121611286&loc=d3e11927-110247 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124255206&loc=SL82919202-210446 + Details
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- Definition Amount of expense (reversal of expense) for expected credit loss for off-balance sheet credit exposure. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 + Details
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