Investments - Narrative (Details) |
May 31, 2016 |
|---|---|
| Jefferies Capital Partners V L.P [Member] | |
| Schedule of Equity Method Investments [Line Items] | |
| Ownership percentage | 11.00% |
| SBI USA Fund L.P. [Member] | |
| Schedule of Equity Method Investments [Line Items] | |
| Ownership percentage | 50.00% |