Real Estate Activity - Land Sales (Details) $ in Thousands |
1 Months Ended | 9 Months Ended | |||||
|---|---|---|---|---|---|---|---|
|
Sep. 30, 2018
USD ($)
a
|
Aug. 31, 2018
USD ($)
a
|
Mar. 31, 2018
USD ($)
a
|
Feb. 28, 2018
USD ($)
a
|
May 31, 2017
USD ($)
a
|
Sep. 30, 2018
USD ($)
a
|
Sep. 30, 2017
USD ($)
a
|
|
| Real Estate [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Approximate number of acres sold (acres) | a | Ìý | Ìý | Ìý | Ìý | Ìý | 166.8 | 11.02 |
| Contract sale price | $ | Ìý | Ìý | Ìý | Ìý | Ìý | $ 4,293 | $ 220 |
| Loving County | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Real Estate [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Approximate number of acres sold (acres) | a | Ìý | Ìý | Ìý | 40.0 | 11.02 | Ìý | Ìý |
| Contract sale price | $ | Ìý | Ìý | Ìý | $ 1,150 | $ 220 | Ìý | Ìý |
| Culberson County | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Real Estate [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Approximate number of acres sold (acres) | a | Ìý | Ìý | 80.0 | Ìý | Ìý | Ìý | Ìý |
| Contract sale price | $ | Ìý | Ìý | $ 1,600 | Ìý | Ìý | Ìý | Ìý |
| El Paso County | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Real Estate [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Approximate number of acres sold (acres) | a | Ìý | 15.0 | Ìý | Ìý | Ìý | Ìý | Ìý |
| Contract sale price | $ | Ìý | $ 270 | Ìý | Ìý | Ìý | Ìý | Ìý |
| Reeves County | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Real Estate [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Approximate number of acres sold (acres) | a | 31.8 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Contract sale price | $ | $ 1,273 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |