Basis of Presentation (Details) a in Thousands, $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
|
Jun. 30, 2018
USD ($)
a
classification
|
Jun. 30, 2017
USD ($)
|
Jun. 30, 2018
USD ($)
a
classification
segment
|
Jun. 30, 2017
USD ($)
|
|
| Property, Plant and Equipment [Line Items] | ||||
| Number of business segments | segment | 3 | |||
| Citree | ||||
| Property, Plant and Equipment [Line Items] | ||||
| Net income (loss) attributable to noncontrolling interest | $ | $ (15) | $ (15) | $ (65) | $ 73 |
| Ownership interest (as a percent) | 51.00% | 51.00% | 51.00% | 51.00% |
| Land | ||||
| Property, Plant and Equipment [Line Items] | ||||
| Area of land owned (in acres) | 117 | 117 | ||
| Number of primary classifications | classification | 2 | 2 | ||
| Mineral Rights | ||||
| Property, Plant and Equipment [Line Items] | ||||
| Area of land owned (in acres) | 90 | 90 | ||
| X | ||||||||||
- Definition Property, Plant and Equipment, Number of Classifications No definition available.
|
| X | ||||||||||
- Definition Area of a real estate property. No definition available.
|
| X | ||||||||||
- Definition Amount, before tax, of income (loss) attributable to noncontrolling interest. Includes, but is not limited to, income (loss) from continuing operations, discontinued operations and equity method investments. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. No definition available.
|
| X | ||||||||||
- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. 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
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|