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Leases - Non-Recurring Basis of Fair Value Measurement of Corporate Office Lease (Details) - Corporate office
$ in Thousands
12 Months Ended
Sep. 30, 2023
USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Impairment Charges $ 4,343
Fair Value, Nonrecurring  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Fair Value 6,233
Level 1 | Fair Value, Nonrecurring  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Fair Value 0
Level 2 | Fair Value, Nonrecurring  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Fair Value 0
Level 3 | Fair Value, Nonrecurring  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Fair Value $ 6,233