Selected Account Information - Schedule of Components of Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Sep. 30, 2022
Indefinite-lived Intangible Assets [Line Items]
Total intangible assets, net	$ 181,262	$ 144,049
Licenses
Indefinite-lived Intangible Assets [Line Items]
Definite-lived:	24,187	25,962
Leases acquired in-place
Indefinite-lived Intangible Assets [Line Items]
Definite-lived:	157	117
Noncompete agreements
Indefinite-lived Intangible Assets [Line Items]
Definite-lived:	13	55
Favorable leases
Indefinite-lived Intangible Assets [Line Items]
Definite-lived:	828	78
Software
Indefinite-lived Intangible Assets [Line Items]
Definite-lived:	909	723
Licenses
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived:	132,202	103,972
Trademarks
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived:	22,943	13,119
Domain names
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived:	$ 23	$ 23