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Goodwill and Acquired Client Relationships - Additional Information (Details) - USD ($) | 3 Months Ended
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Mar. 31, 2022 | Mar. 31, 2021
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 | 12,300,000 |
Estimated Future Amortization Expense of Finite-Lived Intangibles |  |
Finite-lived intangible, future amortization expense, remainder of fiscal year | 40,000,000 |
Finite-lived intangible, future amortization expense in year one | 50,000,000 |
Finite-lived intangible, future amortization expense in year two | 35,000,000 |
Finite-lived intangible, future amortization expense in year three | 35,000,000 |
Finite-lived intangible, future amortization expense in year four | 35,000,000 |
Finite-lived intangible, future amortization expense in year five | 35,000,000 |
Intangible impairments | 300,000 |
Acquired Client Relationships | Intangible amortization and impairments |  |
Intangible Assets |  |
Amortization and impairment expenses of intangible assets | $ 12,600,000 | $ 7,500,000

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