Goodwill and Intangible Assets - Schedule of Finite-lived Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Finite-Lived Intangible Assets [Line Items]
Gross	$ 407,502	$ 1,052,023
Accumulated Amortization	(381,573)	(1,017,764)
Total	$ 25,929	$ 34,259
Weighted average remaining amortization period in years (in years)	6 years 8 months 12 days	7 years 4 months 24 days
Client relationships
Finite-Lived Intangible Assets [Line Items]
Gross	$ 316,423	$ 818,781
Accumulated Amortization	(295,226)	(790,891)
Total	$ 21,197	$ 27,890
Weighted average remaining amortization period in years (in years)	6 years 8 months 12 days	7 years 4 months 24 days
Trademarks and domain names
Finite-Lived Intangible Assets [Line Items]
Gross	$ 91,079	$ 228,021
Accumulated Amortization	(86,347)	(221,936)
Total	$ 4,732	$ 6,085
Weighted average remaining amortization period in years (in years)	6 years 8 months 12 days	7 years 4 months 24 days
Covenants not to compete
Finite-Lived Intangible Assets [Line Items]
Gross		$ 5,221
Accumulated Amortization		(4,937)
Total		$ 284
Weighted average remaining amortization period in years (in years)		6 months