Leases - Net Lease Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Leases [Abstract]
Operating lease cost	$ 88,016	$ 101,897	$ 112,948
Variable lease cost	19,110	23,996	22,254
Sublease income	(49,695)	(48,698)	(53,377)
Total lease cost, net	57,431	77,195	81,825
Cash paid for amounts included in the measurement of operating lease liabilities	120,897	147,672	145,226
Cash receipts from sublease arrangements	44,758	46,245	51,968
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 22,660	$ 28,291	$ 12,715
Weighted average remaining lease term for operating leases (in years)	5 years 10 months 24 days	6 years 7 months 6 days	7 years 3 months 18 days
Weighted average discount rate for operating leases	5.60%	6.40%	6.60%
Cost of subleasing activities	$ 33,400	$ 36,400	$ 43,100
Loss on impairment of lease related assets, net	$ 4,766	$ 10,909	$ 20,368