Equity Method and Other Investments Equity Method and Other Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Schedule of Equity Method and Other Investments [Line Items]
Equity method and other investments	$ 492,541	$ 545,848
Mozarc Medical Holdings LLC
Schedule of Equity Method and Other Investments [Line Items]
Equity method and other investments	303,243	324,711
APAC joint venture
Schedule of Equity Method and Other Investments [Line Items]
Equity method and other investments	68,165	98,865
Adjusted cost method and other investments
Schedule of Equity Method and Other Investments [Line Items]
Equity method and other investments	15,455	14,990
Other equity method partnerships
Schedule of Equity Method and Other Investments [Line Items]
Equity method and other investments	$ 105,678	$ 107,282