Summary of Significant Accounting Policies - Summary of Credit Loss Allowance Activity (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Financing Receivable Allowance For Credit Losses [Line Items]
Allowance for Credit Losses, beginning balance	$ 2,281	$ 6,183	$ 2,823	$ 3,775
Charge-offs, foreign currency translation and other adjustments	(40)	19	(294)	(722)
Recoveries	(834)	(3,765)	(1,661)	(4,891)
Provision for credit losses	1,212	1,917	1,751	6,192
Allowance for credit losses, ending balance	2,619	4,354	2,619	4,354
Short-term Receivables
Financing Receivable Allowance For Credit Losses [Line Items]
Allowance for Credit Losses, beginning balance	2,170	5,963	2,621	3,577
Charge-offs, foreign currency translation and other adjustments	(40)	19	(226)	(722)
Recoveries	(832)	(3,765)	(1,572)	(4,891)
Provision for credit losses	1,190	1,831	1,665	6,084
Allowance for credit losses, ending balance	2,488	4,048	2,488	4,048
Private Funds Advisory Receivables
Financing Receivable Allowance For Credit Losses [Line Items]
Allowance for Credit Losses, beginning balance	111	220	202	198
Charge-offs, foreign currency translation and other adjustments			(68)
Recoveries	(2)		(89)
Provision for credit losses	22	86	86	108
Allowance for credit losses, ending balance	$ 131	$ 306	$ 131	$ 306