Revenue - Summary of Major Source of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Disaggregation Of Revenue [Line Items]
Rental income	$ 21,738	$ 20,183
Revenues	67,974	60,853
Investment Management
Disaggregation Of Revenue [Line Items]
Total product and services revenue	4,516	3,210
Investment Management | Management Fees
Disaggregation Of Revenue [Line Items]
Total product and services revenue	3,612	2,652
Investment Management | Property Management Fees
Disaggregation Of Revenue [Line Items]
Total product and services revenue	171
Investment Management | Administration Fees
Disaggregation Of Revenue [Line Items]
Total product and services revenue	733	558
Durable Medical Equipment | Equipment Sales
Disaggregation Of Revenue [Line Items]
Total product and services revenue	36,161	32,293
Durable Medical Equipment | Service Revenues
Disaggregation Of Revenue [Line Items]
Total product and services revenue	5,559	5,167
Durable Medical Equipment | Sales and Services
Disaggregation Of Revenue [Line Items]
Total product and services revenue	41,720	37,460
Durable Medical Equipment | Medical Equipment
Disaggregation Of Revenue [Line Items]
Rental income	21,738	20,183
Investment Management and Durable Medical Equipment
Disaggregation Of Revenue [Line Items]
Total product and services revenue	$ 46,236	$ 40,670