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Loans and Allowance for Credit Losses - Performing Loans Classified as Troubled Debt Restructuring Loans (Details) | 12 Months Ended
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Jun. 30, 2021 USD ($) loan | Jun. 30, 2020 USD ($)
Number of modifications | loan | 3 |
Recorded Investment | $ 894,000 |
Performing Loans |  |
Number of modifications | 12,000 | 20,000
Recorded Investment | $ 3,241,000 |
Recorded Investment |  | $ 8,580,000
Performing Loans | Commercial loans |  |
Number of modifications | 7,000 | 7,000
Recorded Investment | $ 1,397,000 |
Recorded Investment |  | $ 3,245,000
Performing Loans | Residential Real Estate |  |
Number of modifications | 1,000 | 3,000
Recorded Investment | $ 895,000 |
Recorded Investment |  | $ 791,000
Performing Loans | Commercial |  |
Number of modifications | 4,000 | 10,000
Recorded Investment | $ 949,000 |
Recorded Investment |  | $ 4,544,000

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- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953676-111524 + Details
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- Definition Amount, after troubled debt restructuring, of modified financing receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953676-111524 + Details
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