Summary of Significant Accounting Policies - Schedule of Revenue by Geographic Area (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Disaggregation of Revenue
Revenues	$ 888,419	$ 759,112	$ 1,734,939	$ 1,424,606
U.S.
Disaggregation of Revenue
Revenues	775,599	666,697	1,504,545	1,241,647
U.K.
Disaggregation of Revenue
Revenues	50,851	49,984	118,910	104,616
Other
Disaggregation of Revenue
Revenues	$ 61,969	$ 42,431	$ 111,484	$ 78,343

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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