Revenue (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Revenues [Abstract]
Total revenue	$ 341,254	$ 313,346	$ 1,020,269	$ 970,258
Fertility benefits services revenue
Revenues [Abstract]
Total revenue	223,374	201,946	663,017	622,294
Pharmacy benefits services revenue
Revenues [Abstract]
Total revenue	$ 117,880	$ 111,400	$ 357,252	$ 347,964

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.

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+ Details