Segment Information - Schedule of Assets by Segment (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Jun. 30, 2022	Sep. 30, 2021	Jun. 30, 2021
Segment Reporting Information [Line Items]
Fixed assets, net	$ 8,426	$ 8,042
Identifiable intangible assets, net	18,592	19,171
Goodwill	52,463	52,463	$ 52,463	$ 50,536
Other assets	78,797	88,411
Total assets	158,278	168,087
Durable Medical Equipment
Segment Reporting Information [Line Items]
Fixed assets, net	8,397	8,025
Identifiable intangible assets, net	5,633	5,921
Goodwill	52,463	52,463
Other assets	11,226	11,616
Total assets	77,719	78,025
Investment Management
Segment Reporting Information [Line Items]
Fixed assets, net	29	17
Identifiable intangible assets, net	12,959	13,250
Other assets	44,824	54,520
Total assets	57,812	67,787
General Corporate
Segment Reporting Information [Line Items]
Other assets	22,747	22,275
Total assets	$ 22,747	$ 22,275