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Loans and Allowance for Loan Losses - Nonperforming of Troubled Debt Restructuring in non accural loans (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jun. 30, 2020 | Jun. 30, 2019
Total Loans |  |
Number of modifications | 20 | 40
Recorded investment | $ 8,580 | $ 13,289
Commercial loans |  |
Number of modifications | 7 | 10
Recorded investment | $ 3,245 | $ 5,630
Residential Real Estate |  |
Number of modifications | 3 | 10
Recorded investment | $ 791 | $ 1,130
Commercial |  |
Number of modifications | 10 | 20
Recorded investment | $ 4,544 | $ 6,529

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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, before troubled debt restructuring, of financing receivable to be modified. + 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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