Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation and Significant Events - COVID-19 (Details)

v3.22.1
Basis of Presentation and Significant Events - COVID-19 (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Adjustments Due to Legislation [Line Items]      
Contract liabilities - deferred revenue $ 43,922   $ 106,489
Recoupment of fund 62,600    
Net service revenue 571,495 $ 524,835  
Sequestration Payment Adjustment      
Adjustments Due to Legislation [Line Items]      
Net service revenue 6,500 6,400  
Suspension of LTACH      
Adjustments Due to Legislation [Line Items]      
Net service revenue 6,500 $ 8,900  
Due From Legislation      
Adjustments Due to Legislation [Line Items]      
Employee-related liabilities $ 26,800