v3.24.1.u1
Segment Information - Reconciliation of Adjusted EBITDA to Income Before Taxes (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Segment Reporting Information [Line Items]    
Adjusted EBITDA $ 261,917 $ 214,063
Depreciation and amortization (54,069) (52,425)
Income from operations 193,967 151,457
Equity in earnings of unconsolidated subsidiaries 10,421 8,556
Interest expense (50,763) (48,571)
Income before income taxes 153,625 111,442
Operating Segments | Critical Illness Recovery Hospital    
Segment Reporting Information [Line Items]    
Adjusted EBITDA 115,940 76,773
Depreciation and amortization (17,157) (16,637)
Stock compensation expense 0 0
Concentra separation transaction costs 0  
Income from operations 98,783 60,136
Operating Segments | Rehabilitation Hospital    
Segment Reporting Information [Line Items]    
Adjusted EBITDA 61,400 47,216
Depreciation and amortization (7,135) (6,888)
Stock compensation expense 0 0
Concentra separation transaction costs 0  
Income from operations 54,265 40,328
Operating Segments | Outpatient Rehabilitation    
Segment Reporting Information [Line Items]    
Adjusted EBITDA 24,928 30,199
Depreciation and amortization (9,181) (8,457)
Stock compensation expense 0 0
Concentra separation transaction costs 0  
Income from operations 15,747 21,742
Operating Segments | Concentra    
Segment Reporting Information [Line Items]    
Adjusted EBITDA 96,142 93,748
Depreciation and amortization (18,485) (18,310)
Stock compensation expense (166) (178)
Concentra separation transaction costs (1,993)  
Income from operations 75,498 75,260
Other    
Segment Reporting Information [Line Items]    
Adjusted EBITDA (36,493) (33,873)
Depreciation and amortization (2,111) (2,133)
Stock compensation expense (11,444) (10,003)
Concentra separation transaction costs (278)  
Income from operations $ (50,326) $ (46,009)