Permit and Other Intangible Assets - Schedule of Intangible Assets (Details) (Parenthetical) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2018 |
Dec. 31, 2017 |
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| Goodwill and Intangible Assets Disclosure [Abstract] | ||
| Finite-lived intangible asset, useful life | 10 years | 10 years |
| X | ||||||||||
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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| X | ||||||||||
- References No definition available.
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