Redeemable Noncontrolling Interests and Investment Manager Noncontrolling Interests Liability - Schedule of Redeemable Noncontrolling Interest (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Increase (Decrease) in Redeemable Non-controlling Interests [Roll Forward]
Balance at beginning of period			$ 102,934
Net income (loss) attributable to noncontrolling interests			1,869
Total net income (loss) attributable to noncontrolling interests	$ (833)	$ 644	(2,154)	$ 101
Business acquisition			104,564
Net subscriptions (redemptions) and other			(23)
Balance at end of period	205,321		205,321
CIP
Increase (Decrease) in Redeemable Non-controlling Interests [Roll Forward]
Balance at beginning of period			76,152
Net income (loss) attributable to noncontrolling interests			1,365
Changes in redemption value			0	$ (166)
Total net income (loss) attributable to noncontrolling interests			1,365
Business acquisition			0
Net subscriptions (redemptions) and other			464
Balance at end of period	77,981		77,981
Investment Managers
Increase (Decrease) in Redeemable Non-controlling Interests [Roll Forward]
Balance at beginning of period			26,782
Net income (loss) attributable to noncontrolling interests			504
Total net income (loss) attributable to noncontrolling interests			(3,519)
Business acquisition			104,564
Net subscriptions (redemptions) and other			(487)
Balance at end of period	$ 127,340		127,340
Portion at Other than Fair Value Measurement
Increase (Decrease) in Redeemable Non-controlling Interests [Roll Forward]
Changes in redemption value			(4,023)
Portion at Other than Fair Value Measurement | CIP
Increase (Decrease) in Redeemable Non-controlling Interests [Roll Forward]
Changes in redemption value			0
Portion at Other than Fair Value Measurement | Investment Managers
Increase (Decrease) in Redeemable Non-controlling Interests [Roll Forward]
Changes in redemption value			$ (4,023)