| Long Term Debt - Seller Subordinated Acquisition Obligation Marquis - Additional Information (Details) - LOTC Purchase Agreement - Lonesome Oak - Marquis - Seller Subordinated Acquisition Obligation $ in Thousands | 9 Months Ended | 
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| Jun. 30, 2020  USD ($) | |
| Debt Instrument [Line Items] | |
| Contractual obligation | $ 1,450 | 
| Debt stated interest rate | 3.00% | 
| Maturity date | Jul. 31, 2021 | 
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- Definition Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments. No definition available. 
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. 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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- 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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