Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Long-Term Debt and Notes Payable - Narrative (Details) - Revolving facilities - USD ($) $ in Millions	Jun. 02, 2021	Jun. 01, 2021
Select Medical Corporation \| Revolving facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity	$ 650.0	$ 450.0
Select Medical Corporation \| Standby letters of credit
Line of Credit Facility [Line Items]
Maximum borrowing capacity	125.0
Concentra \| Concentra-JPM First Lien Credit Agreement
Line of Credit Facility [Line Items]
Terminated obligations	$ 100.0