VIEs - Narrative (Details) |
12 Months Ended |
|---|---|
Dec. 31, 2018 | |
| Variable Interest Entity [Line Items] | |
| Maximum year to defer payment of interest on Debenture | 5 years |
| X | ||||||||||
- Definition Maximum year to defer payment of interest on Debenture. No definition available.
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| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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