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Accounts Receivable and Credit Losses (Financing Receivables Past Due Prior to Adopting ASC 326) (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Jun. 30, 2020
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Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Institutional Loans, Past Due |  | $ 24,276
Institutional Loans, Current |  | 25,749
Total Institutional Loans | $ 46,013 | 50,025
Financing Receivables 1 To 30 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Institutional Loans, Past Due |  | 7,192
Total Institutional Loans | 2,934 |
Financing Receivables 31 To 60Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Institutional Loans, Past Due |  | 1,755
Financing Receivables 61 To 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Institutional Loans, Past Due |  | 1,547
Total Institutional Loans | $ 692 |
Financing Receivables Greater Than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Institutional Loans, Past Due |  | $ 13,782

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