Revenue - Summary of Major Source of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Disaggregation Of Revenue [Line Items]
Rental income	$ 5,691	$ 5,479
Revenues	18,579	16,538
Investment Management
Disaggregation Of Revenue [Line Items]
Total product and services revenue	1,860	983
Investment Management | Management Fees
Disaggregation Of Revenue [Line Items]
Total product and services revenue	1,302	876
Investment Management | Property Management Fees
Disaggregation Of Revenue [Line Items]
Total product and services revenue	274
Investment Management | Administration and Service Fees
Disaggregation Of Revenue [Line Items]
Total product and services revenue	284	107
Durable Medical Equipment | Equipment Sales
Disaggregation Of Revenue [Line Items]
Total product and services revenue	9,634	8,730
Durable Medical Equipment | Service Revenues
Disaggregation Of Revenue [Line Items]
Total product and services revenue	1,394	1,346
Durable Medical Equipment | Sales and Services
Disaggregation Of Revenue [Line Items]
Total product and services revenue	11,028	10,076
Durable Medical Equipment | Medical Equipment
Disaggregation Of Revenue [Line Items]
Rental income	5,691	5,479
Investment Management and Durable Medical Equipment
Disaggregation Of Revenue [Line Items]
Total product and services revenue	$ 12,888	$ 11,059