Goodwill and Acquired Client Relationships - Additional Information (Details) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
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	12,500,000
Estimated Future Amortization Expense of Finite-Lived Intangibles
Finite-lived intangible, future amortization expense, remainder of fiscal year	38,000,000
Finite-lived intangible, future amortization expense in year one	35,000,000
Finite-lived intangible, future amortization expense in year two	30,000,000
Finite-lived intangible, future amortization expense in year three	30,000,000
Finite-lived intangible, future amortization expense in year four	30,000,000
Finite-lived intangible, future amortization expense in year five	25,000,000
Acquired Client Relationships | Intangible amortization and impairments
Intangible Assets
Amortization and impairment expenses of intangible assets	$ 12,500,000	$ 12,600,000