Summary of Significant Accounting Policies - Summary of Credit Loss Allowance Activity (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Financing Receivable Allowance For Credit Losses [Line Items]
Allowance for Credit Losses, beginning balance	$ 2,823	$ 3,775
Charge-offs, foreign currency translation and other adjustments	(254)	(741)
Recoveries	(827)	(1,126)
Provision for credit losses	539	4,275
Allowance for credit losses, ending balance	2,281	6,183
Short-term Receivables
Financing Receivable Allowance For Credit Losses [Line Items]
Allowance for Credit Losses, beginning balance	2,621	3,577
Charge-offs, foreign currency translation and other adjustments	(186)	(741)
Recoveries	(740)	(1,126)
Provision for credit losses	475	4,253
Allowance for credit losses, ending balance	2,170	5,963
Private Funds Advisory Receivables
Financing Receivable Allowance For Credit Losses [Line Items]
Allowance for Credit Losses, beginning balance	202	198
Charge-offs, foreign currency translation and other adjustments	(68)
Recoveries	(87)
Provision for credit losses	64	22
Allowance for credit losses, ending balance	$ 111	$ 220