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Financing Receivables (Institutional Loans Past Due) (Detail) - USD ($) $ in Thousands | Dec. 31, 2019 | Jun. 30, 2019 | Dec. 31, 2018
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Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |
Institutional Loans, Past Due | $ 18,800 | $ 16,611 | $ 11,142
Institutional Loans, Current | 31,415 | 31,326 | 35,491
Total Institutional Loans | 50,215 | 47,937 | 46,633
Financing Receivables, 1 to 29 Days Past Due [Member] |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |
Institutional Loans, Past Due | 3,226 | 3,578 | 5,535
Financing Receivables, 30 to 59 Days Past Due [Member] |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |
Institutional Loans, Past Due | 1,601 | 2,458 | 963
Financing Receivables, 60 to 89 Days Past Due [Member] |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |
Institutional Loans, Past Due | 566 | 687 | 308
Financing Receivables Greater Than 90 Days Past Due [Member] |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |
Institutional Loans, Past Due | $ 13,407 | $ 9,888 | $ 4,336

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