Non-Controlling Interests and Preferred Stock of Subsidiary - Summary of Non-controlling Interest Balance on Consolidated Balance Sheet (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Balance as of
Temporary equity	$ 2,639	$ 3,890	$ 3,912
Total	12,188	7,776
DME, Inc.
Balance as of
Temporary equity		3,890
Permanent equity		3,890
Total		7,780
HC LLC
Balance as of
Temporary equity	2,639
Permanent equity	2,639
Total	5,278
GP Corp.
Balance as of
Permanent equity	(79)	(782)
Consolidated Fund
Balance as of
Permanent equity	4,228
Forest
Balance as of
Permanent equity	$ 2,761
FM Holdings
Balance as of
Permanent equity		$ 778