Equity-Based Compensation (Details) - Class A Common Stock - Restricted Stock - Equity Incentive Plan - Certain Directors, Officers and Employees - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
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Jun. 30, 2022 |
Jun. 30, 2021 |
Jun. 30, 2022 |
Jun. 30, 2021 |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Options granted (in shares) | 256,167 | |||
| Unrecognized compensation expense | $ 14.9 | $ 14.9 | ||
| General and Administrative Expense | ||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Compensation expense | $ 1.8 | $ 1.3 | $ 5.1 | $ 2.2 |
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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 Gross number of share options (or share units) granted during the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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