Business Combinations - Additional Information (Details) - ITG - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Jan. 31, 2020	Dec. 31, 2022	Jun. 30, 2020	Sep. 30, 2020
Business Acquisition [Line Items]
Business acquisition date	Jan. 31, 2020
Purchase price acquisition	$ 255,000
Purchase price allocated to intangibles	235,600
Goodwill resulting from business combinations	$ 188,300			$ 188,253
Amortization of goodwill and other intangibles amortized for income tax purpose period	15 years
Warrant
Business Acquisition [Line Items]
Purchase price acquisition			$ 1,900
Percentage of fair value acquisition discounting liabilities	3.00%
Indemnity
Business Acquisition [Line Items]
Percentage of fair value acquisition discounting liabilities	3.25%
Indemnity | Forecast
Business Acquisition [Line Items]
Purchase price acquisition		$ 1,200
Other Intangible Assets
Business Acquisition [Line Items]
Purchase price allocated to intangibles	$ 47,300
Weighted average amortization period	5 years 8 months 12 days
Customer-related Intangibles
Business Acquisition [Line Items]
Purchase price allocated to intangibles	$ 46,400
Weighted average amortization period	6 years 10 months 24 days
Marketing-related Intangibles
Business Acquisition [Line Items]
Purchase price allocated to intangibles	$ 900
Weighted average amortization period	10 months 24 days