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v3.22.4

Leases - Textuals (Details) | 12 Months Ended
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Dec. 31, 2022 option
Lessee, Lease, Description [Line Items] |
Number of renewal options (or more) | 1
Minimum |
Lessee, Lease, Description [Line Items] |
Operating and finance lease contract term | 1 year
Maximum |
Lessee, Lease, Description [Line Items] |
Operating and finance lease contract term | 25 years

X
- Definition Term of lessee's operating and finance leases, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | ehc_OperatingAndFinanceLeaseContractTerm
Namespace Prefix: | ehc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Operating And Finance Lease, Number Of Renewal Options + References No definition available. + Details
Name: | ehc_OperatingAndFinanceLeaseNumberOfRenewalOptions
Namespace Prefix: | ehc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_LesseeLeaseDescriptionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |