Goodwill and Intangible Assets - Schedule of Finite-lived Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Finite-Lived Intangible Assets [Line Items]
Gross	$ 410,557	$ 407,502
Accumulated Amortization	(386,086)	(381,573)
Total	$ 24,471	$ 25,929
Weighted average remaining amortization period in years (in years)	6 years 6 months	6 years 8 months 12 days
Client relationships
Finite-Lived Intangible Assets [Line Items]
Gross	$ 318,880	$ 316,423
Accumulated Amortization	(298,859)	(295,226)
Total	$ 20,021	$ 21,197
Weighted average remaining amortization period in years (in years)	6 years 6 months	6 years 8 months 12 days
Trademarks and domain names
Finite-Lived Intangible Assets [Line Items]
Gross	$ 91,677	$ 91,079
Accumulated Amortization	(87,227)	(86,347)
Total	$ 4,450	$ 4,732
Weighted average remaining amortization period in years (in years)	6 years 3 months 18 days	6 years 8 months 12 days