Acquisitions - Nova Acquisition Narrative (Details) $ in Thousands		10 Months Ended	12 Months Ended
	Mar. 01, 2025 USD ($) state hospital	Dec. 31, 2025 USD ($)	Dec. 31, 2025 USD ($) health_center	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Business Combination, Separately Recognized Transaction [Line Items]
Number of occupational health centers operated by entity | health_center			628
Goodwill		$ 1,479,192	$ 1,479,192	$ 1,234,707	$ 1,229,745
Nova Medical Centers
Business Combination, Separately Recognized Transaction [Line Items]
Number of occupational health centers operated by entity | hospital	67
Number of states in which the entity had operations | state	5
Net revenues of acquiree		102,500
Net income of acquiree		$ 10,600
Nova Acquisition
Business Combination, Separately Recognized Transaction [Line Items]
Consideration transferred	$ 265,005
Cash paid to acquire business, term loan add-on	102,100
Cash paid to acquire business, available borrowing capacity	50,000
Goodwill	$ 207,998