Assets Held for Sale - Components (Details) - USD ($) $ in Thousands  | 
Jun. 30, 2021  | 
Sep. 30, 2020  | 
|---|---|---|
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||
| Assets held for sale | $ 944 | $ 1,366 | 
| Discontinued Operations, Held-for-sale | ||
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||
| Assets held for sale | 944 | 1,366 | 
| Discontinued Operations, Held-for-sale | East and West Ranch | ||
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||
| Assets held for sale | $ 944 | $ 1,366 | 
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- Definition Amount of assets held-for-sale that are not part of a disposal group, expected to be sold within a year or the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- 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. 
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