Business Segment Reporting (Details) a in Thousands |
Mar. 31, 2018
a
|
|---|---|
| West Texas | |
| Segment Reporting Information [Line Items] | |
| Area of land (in acres) | 890 |
| X | ||||||||||
- Definition Area of land held. 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 | ||||||||||
- Details
|