Condensed Consolidated Statements of Operations - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Revenue:
Total revenue	$ 119.9	$ 105.7
Operating expenses:
Total operating expenses	88.0	82.8
Operating income	31.9	22.9
Non-operating income and (expense):
Investment income	0.3	0.9
Interest income	1.1	1.3
Interest expense	(4.8)	(5.0)
Total non-operating income (loss)	0.2	(1.1)
Income before income taxes	32.1	21.8
Income tax expense	8.3	6.1
Net income	23.8	15.7
Net income attributable to redeemable non-controlling interests in consolidated Funds	3.7	1.1
Net income attributable to controlling interests	$ 20.1	$ 14.6
Earnings per share (basic) attributable to controlling interests (in dollars per share)	$ 0.54	$ 0.37
Earnings per share (diluted) attributable to controlling interests (in dollars per share)	$ 0.54	$ 0.37
Weighted average common stock outstanding (in shares)	37,362,476	39,063,522
Weighted average diluted common stock outstanding (in shares)	37,380,535	39,731,440
Management fees
Revenue:
Total revenue	$ 112.9	$ 102.2
Consolidated Entity Excluding Consolidated Funds
Operating expenses:
Compensation and benefits	60.8	58.1
General and administrative expense	22.3	20.0
Depreciation and amortization	4.2	4.6
Non-operating income and (expense):
Investment income	0.3	0.9
Interest income	1.1	1.3
Interest expense	(4.8)	(5.0)
Net income	23.8	15.7
Consolidated Entity Excluding Consolidated Funds | Management fees
Revenue:
Total revenue	112.9	102.2
Consolidated Entity Excluding Consolidated Funds | Performance fees
Revenue:
Total revenue	5.3	3.1
Consolidated Funds
Revenue:
Total revenue	1.7	0.4
Operating expenses:
Total operating expenses	0.7	0.1
Non-operating income and (expense):
Net consolidated Funds’ investment gains	$ 3.6	$ 1.7