Summary of Significant Accounting Policies - Principles of Consolidation (Details) - fund |
Sep. 30, 2018 |
Jun. 30, 2018 |
|---|---|---|
| Accounting Policies [Abstract] | ||
| Investment funds, purchase of solar energy systems | 3 | 3 |
| X | ||||||||||
- Definition Investment Funds, Purchase Of Solar Energy Systems No definition available.
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| X | ||||||||||
- References No definition available.
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