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Organization, Basis of Presentation, and Summary of Significant Accounting Policies Repurchase Commitments (Details) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2016 Members | Jun. 30, 2016 USD ($) | Jun. 30, 2015 USD ($) Members | Jun. 30, 2014 USD ($)
Accounting Policies [Abstract] |  |  |  |
Repurchase Units, Number | Members | 3 |  | 0 |
Impairment of Long-Lived Assets to be Disposed of |  | $ 0 | $ 0 | $ 0
Impairment of Intangible Assets (Excluding Goodwill) |  | 0 | 0 | $ 0
Floor Financing, Repurchase Obligations |  | $ 80,429,000 | $ 67,700,000 |
Repurchase Commitments, Period |  | 2 years 6 months |  |

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