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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 |  |  |

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