Acquisitions - Other Acquisitions (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2025 USD ($) health_center	Dec. 31, 2024 USD ($) health_center	Dec. 31, 2023 USD ($) health_center
Business Combination, Separately Recognized Transaction [Line Items]
Goodwill	$ 1,479,192	$ 1,234,707	$ 1,229,745
Centers
Business Combination, Separately Recognized Transaction [Line Items]
Number of centers acquired | health_center	5	3	4
Cash paid to acquire businesses	$ 13,800	$ 7,000	$ 6,000
Goodwill	$ 4,200	$ 5,000	$ 3,900