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Goodwill and Acquired Client Relationships - Additional Information (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Intangible Assets |  |  |  |
Goodwill impairment |  |  | $ 0 |
Acquired Client Relationships |  |  |  |
Estimated Future Amortization Expense of Finite-Lived Intangibles |  |  |  |
Intangible impairments |  |  | 0 |
Acquired Client Relationships |  |  |  |
Intangible Assets |  |  |  |
Amortization and impairment expenses of intangible assets |  |  | 36,900,000 |
Estimated Future Amortization Expense of Finite-Lived Intangibles |  |  |  |
Finite-lived intangible, future amortization expense, remainder of fiscal year | $ 12,000,000 |  | 12,000,000 |
Finite-lived intangible, future amortization expense in year one | 50,000,000 |  | 50,000,000 |
Finite-lived intangible, future amortization expense in year two | 35,000,000 |  | 35,000,000 |
Finite-lived intangible, future amortization expense in year three | 35,000,000 |  | 35,000,000 |
Finite-lived intangible, future amortization expense in year four | 35,000,000 |  | 35,000,000 |
Finite-lived intangible, future amortization expense in year five | 35,000,000 |  | 35,000,000 |
Intangible impairments |  |  | 2,500,000 |
Acquired Client Relationships | Intangible amortization and impairments |  |  |  |
Intangible Assets |  |  |  |
Amortization and impairment expenses of intangible assets | $ 12,200,000 | $ 8,900,000 | $ 36,900,000 | $ 25,300,000

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