Leases - Rental Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Sep. 30, 2021
Rental Equipment [Abstract]
Rental equipment, primarily wireless recording equipment	$ 83,887	$ 95,827
Accumulated depreciation and impairment	(55,688)	(56,922)
Rental equipment, net	$ 28,199	$ 38,905