Relationship with Select (Details) - USD ($) $ in Millions		3 Months Ended
	Nov. 25, 2024	Mar. 31, 2026	Mar. 31, 2025
Related Party Transaction [Line Items]
Services agreement fee		$ 1.6	$ 3.7
Concentra Group Holdings Parent | Select Medical Corporation
Related Party Transaction [Line Items]
Select special stock distribution (in shares)	104,093,503