Description of Business and Summary of Significant Accounting Policies (Details) $ in Millions	12 Months Ended
	Dec. 31, 2025 USD ($) option_to_extend segment	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Description Of Business And Summary Of Significant Accounting Policies [Line Items]
Number of reportable business segments | segment	5
Advertising costs | $	$ 26.8	$ 27.0	$ 23.0
Forgivable loans, forgiveness period, minimum	1 year
Forgivable loans, forgiveness period, maximum	10 years
Definite-lived intangible assets amortization period	9 years 10 months 24 days
Number of option to extend | option_to_extend	1
Minimum
Description Of Business And Summary Of Significant Accounting Policies [Line Items]
Definite-lived intangible assets amortization period	2 years
Minimum | Furniture, Equipment, And Internal-Use Software
Description Of Business And Summary Of Significant Accounting Policies [Line Items]
Estimated useful of furniture, equipment and internal use software	1 year
Minimum | Software and Software Development Costs
Description Of Business And Summary Of Significant Accounting Policies [Line Items]
Estimated useful of furniture, equipment and internal use software	1 year
Maximum
Description Of Business And Summary Of Significant Accounting Policies [Line Items]
Definite-lived intangible assets amortization period	15 years
Lessee renewal term	7 years
Maximum | Furniture, Equipment, And Internal-Use Software
Description Of Business And Summary Of Significant Accounting Policies [Line Items]
Estimated useful of furniture, equipment and internal use software	15 years
Maximum | Software and Software Development Costs
Description Of Business And Summary Of Significant Accounting Policies [Line Items]
Estimated useful of furniture, equipment and internal use software	10 years
Non U.S | Geographic Concentration Risk | Consolidated Revenues
Description Of Business And Summary Of Significant Accounting Policies [Line Items]
Revenue from the work of professionals	37.00%