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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, 2021 | Jun. 30, 2020 | Jun. 30, 2019
Allowance for off-balance sheet credit exposure: |  |  |
Balance, beginning of period | $ 1,959 |  |
Provision (benefit) charged to expense | (422) | $ 648 | $ 149
Balance, end of period | 1,805 | 1,959 |
Impact of ASU 2016-13 adoption |  |  |
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 | 19 |  |
Provision (benefit) charged to expense | (17) |  |
Balance, end of period | 37 | 19 |
Residential Real Estate | Impact of ASU 2016-13 adoption |  |  |
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 | 769 |  |
Provision (benefit) charged to expense | (100) |  |
Balance, end of period | 502 | 769 |
Construction Real Estate | Impact of ASU 2016-13 adoption |  |  |
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 | 172 |  |
Provision (benefit) charged to expense | (79) |  |
Balance, end of period | 188 | 172 |
Commercial Real Estate | Impact of ASU 2016-13 adoption |  |  |
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 | 153 |  |
Provision (benefit) charged to expense | (132) |  |
Balance, end of period | 218 | 153 |
Consumer loans | Impact of ASU 2016-13 adoption |  |  |
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 | 846 |  |
Provision (benefit) charged to expense | (94) |  |
Balance, end of period | 860 | 846 |
Commercial loans | Impact of ASU 2016-13 adoption |  |  |
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=121599878&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=121599337&loc=SL82919249-210447 + Details
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