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Ongoing Impact of COVID-19 Pandemic (Details)
 3 Months Ended 12 Months Ended
Sep. 30, 2022
USD ($)
Jun. 30, 2022
USD ($)
Sep. 30, 2021
USD ($)
property
Jun. 30, 2021
USD ($)
Mar. 31, 2021
USD ($)
Sep. 30, 2020
USD ($)
Jun. 30, 2020
USD ($)
Mar. 31, 2020
USD ($)
Sep. 30, 2022
USD ($)
Sep. 30, 2021
USD ($)
property
Sep. 30, 2020
USD ($)
Finite-Lived Intangible Assets [Line Items]                      
Impairment of assets $ 166,000 $ 1,700,000 $ 11,900,000 $ 271,000 $ 1,400,000 $ 1,400,000 $ 982,000 $ 8,200,000 $ 1,888,000 $ 13,612,000 $ 10,615,000
Goodwill impairment loss                 566,000 6,307,000 $ 7,900,000
Intangible asset impairment                 $ 293,000 $ 5,296,000  
Impairment of intangible asset indefinite lived excluding goodwill statement of income or comprehensive income extensible enumeration not disclosed flag                 SOB license SOB licenses SOB licenses
Long-lived assets impairment                 $ 1,000,000 $ 2,000,000 $ 302,000
Impairment long lived asset held for use statement of income or comprehensive income extensible enumeration not disclosed flag                 property and equipment property and equipment property and equipment
Operating lease, impairment loss                 $ 0 $ 0 $ 104,000
Number of properties later reclassified as held for sale | property     1             1  
SOB licenses                      
Finite-Lived Intangible Assets [Line Items]                      
Intangible asset impairment                 $ 293,000 $ 5,300,000 $ 2,300,000