Revenue and Related Matters - Schedule of Contract with Customer, Asset and Liability (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Assets:
Fees receivable, gross	$ 1,511,082		$ 1,704,725
Contract assets recorded in Prepaid expenses and other current assets	29,660		31,056
Contract liabilities:
Deferred revenues (current liability)	2,922,518		2,762,927
Non-current deferred revenues recorded in Other liabilities	32,319		27,389
Total contract liabilities	2,954,837		$ 2,790,316
Revenue recognized previously attributable to deferred revenues	$ 1,000,000	$ 1,000,000