| Long Term Debt - Seller Subordinated Acquisition Note Marquis - Additional Information (Details) - Unsecured Note - Lonesome Oak - Marquis - Sellers Subordinated Acquisition Note $ in Thousands | 6 Months Ended | 
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| Mar. 31, 2020  USD ($) | |
| Debt Instrument [Line Items] | |
| Debt face amount | $ 1,450 | 
| Debt stated interest rate | 3.00% | 
| Maturity date | Jul. 31, 2021 | 
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- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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