Inventory (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2019 |
Dec. 31, 2018 |
|
| Inventory | ||
| Inventory, Net, Total | $ 14,952 | $ 14,692 |
| Inventory Current | 6,232 | 1,840 |
| Inventory, Noncurrent | 8,720 | 12,852 |
| Reduction in inventory valuation | 1,964 | |
| In Process Inventory [Member] | ||
| Inventory | ||
| Inventory, Net, Total | 160 | |
| Plant Inventory [Member] | ||
| Inventory | ||
| Inventory, Net, Total | 1,259 | 345 |
| Conversion Facility Inventory [Member] | ||
| Inventory | ||
| Inventory, Net, Total | $ 13,693 | $ 14,187 |
| X | ||||||||||
- Definition Inventory to be sold within 12 months No definition available.
|
| 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.
|
| X | ||||||||||
- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Inventories not expected to be converted to cash, sold or exchanged within the normal operating cycle. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of increase (decrease) in allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset or that reflect a liability established to represent expected future costs. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|