Fair Value Measurements - Schedule of Assets of Consolidated Funds Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Jun. 30, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets	$ 49,918	$ 54,514
Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity investments	15,865	16,267
Debt securities	0	9,929
Total assets	15,865	26,196
Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity investments	0	0
Debt securities	0	0
Total assets	0	0
Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity investments	13,122	5,265
Debt securities	0	0
Total assets	13,122	5,265
Fair Value, Inputs, Level 3 | Fair Value, Recurring Basis
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity investments	248	10
Debt securities	7,054	7,771
Fair Value, Inputs, Level 1, 2 and 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity investments	28,987	21,532
Debt securities	0	9,929
Total assets	28,987	31,461
Fair Value Measured at Net Asset Value Per Share
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments valued at net asset value	20,931	23,053
Consolidated Funds | Fair Value, Recurring Basis
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets	11,902	11,471
Consolidated Funds | Fair Value, Inputs, Level 1 | Fair Value, Recurring Basis
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity investments	0	0
Debt securities	0	0
Total assets	0	0
Consolidated Funds | Fair Value, Inputs, Level 2 | Fair Value, Recurring Basis
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity investments	0	0
Debt securities	2,788	2,190
Total assets	2,788	2,190
Consolidated Funds | Fair Value, Inputs, Level 3 | Fair Value, Recurring Basis
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity investments	248	10
Debt securities	7,054	7,771
Total assets	7,302	7,781
Consolidated Funds | Fair Value, Inputs, Level 1, 2 and 3 | Fair Value, Recurring Basis
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity investments	248	10
Debt securities	9,842	9,961
Total assets	10,090	9,971
Consolidated Funds | Fair Value Measured at Net Asset Value Per Share | Fair Value, Recurring Basis
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments valued at net asset value	$ 1,812	$ 1,500