Acquisitions - Pivot Onsite Innovations Acquisition Narrative (Details) $ in Thousands		7 Months Ended	12 Months Ended
	Jun. 01, 2025 USD ($) state clinic	Dec. 31, 2025 USD ($)	Dec. 31, 2025 USD ($) clinic	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Business Combination, Separately Recognized Transaction [Line Items]
Number of onsite health clinics | clinic	400		411
Goodwill		$ 1,479,192	$ 1,479,192	$ 1,234,707	$ 1,229,745
Pivot Onsite Innovations
Business Combination, Separately Recognized Transaction [Line Items]
Number of onsite health clinics | clinic	240
Number of states in which the entity had operations | state	40
Pivot Onsite Innovations Acquisition
Business Combination, Separately Recognized Transaction [Line Items]
Consideration transferred	$ 54,448
Cash paid to acquire business, available borrowing capacity	35,000
Goodwill	$ 32,264
Net revenues of acquiree		$ 38,700