Fair Value Measurements - Summary of Assets and Liabilities Measured at Fair Value on Recurring and Non-recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Jun. 30, 2022
Assets:
Total assets	$ 35,104	$ 49,839
Liabilities:
Contingent consideration liability	1,300	1,120
Total liabilities	1,300	1,120
Fair Value, Inputs, Level 1
Assets:
Equity investments	17,282	27,678
Total assets	17,282	29,475
Liabilities:
Contingent consideration liability	0	0
Total liabilities	0	0
Fair Value, Inputs, Level 1 | Consolidated Fund
Assets:
Equity investments		1,797
Fair Value, Inputs, Level 2
Assets:
Equity investments	0	0
Total assets	0	0
Liabilities:
Contingent consideration liability	0	0
Total liabilities	0	0
Fair Value, Inputs, Level 2 | Consolidated Fund
Assets:
Equity investments		0
Fair Value, Inputs, Level 3
Assets:
Equity investments	0	0
Total assets	0	0
Liabilities:
Contingent consideration liability	1,300	1,120
Total liabilities	1,300	1,120
Fair Value, Inputs, Level 3 | Consolidated Fund
Assets:
Equity investments		0
Fair Value, Inputs, Level 1, 2 and 3
Assets:
Equity investments	17,282	27,678
Total assets	17,282	29,475
Fair Value, Inputs, Level 1, 2 and 3 | Consolidated Fund
Assets:
Equity investments		1,797
Fair Value Measured at Net Asset Value Per Share
Assets:
Investments valued at net asset value	$ 17,822	$ 20,364