Acquisitions - Pivot Onsite Innovations Acquisition Narrative (Details) $ in Thousands		3 Months Ended
	Jun. 01, 2025 USD ($) clinic state	Mar. 31, 2026 USD ($) clinic	Dec. 31, 2025 USD ($)
Business Combination, Separately Recognized Transaction [Line Items]
Number of onsite health clinics | clinic	400	411
Goodwill		$ 1,480,116	$ 1,479,192
Pivot Onsite Innovations
Business Combination, Separately Recognized Transaction [Line Items]
Number of onsite health clinics | clinic	240
Number of states in which entity operates | state	40
Pivot Onsite Innovations Acquisition
Business Combination, Separately Recognized Transaction [Line Items]
Consideration transferred	$ 55,211
Cash paid to acquire business, available borrowing capacity	35,000
Goodwill	$ 32,616
Net revenues of acquiree		$ 17,200