Revenue - Disaggregation of Revenue by Performance Obligation (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of revenue by performance obligation
Revenue	$ 3,795,115	$ 3,268,940	$ 2,840,124
Management fee revenue - policy issuance and renewal services
Disaggregation of revenue by performance obligation
Revenue	2,894,074	2,442,073	2,087,846
Management fee revenue - policy issuance and renewal services \| Transferred at point in time
Disaggregation of revenue by performance obligation
Revenue	2,894,074	2,442,073	2,087,846
Administrative services \| Transferred over time
Disaggregation of revenue by performance obligation
Revenue	874,691	800,808	726,591
Management fee revenue - administrative services
Disaggregation of revenue by performance obligation
Revenue	68,355	63,669	58,323
Management fee revenue - administrative services \| Transferred over time
Disaggregation of revenue by performance obligation
Revenue	68,355	63,669	58,323
Administrative services reimbursement revenue
Disaggregation of revenue by performance obligation
Revenue	806,336	737,139	668,268
Administrative services reimbursement revenue \| Transferred over time
Disaggregation of revenue by performance obligation
Revenue	$ 806,336	$ 737,139	$ 668,268

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.

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

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+ Details