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Basis of Presentation - Textual (Details)	Sep. 30, 2022 hospital state
Class of Stock [Line Items]
Number of states in which entity operates | state	36
Number of inpatient rehabilitation hospitals operated	153
Number of solely owned inpatient rehabilitation hospitals	96
Number of jointly owned inpatient rehabilitation hospitals	57
Number of inpatient rehabilitation units under management contracts	2
Minimum
Class of Stock [Line Items]
Joint venture ownership percentage	50.00%
Maximum
Class of Stock [Line Items]
Joint venture ownership percentage	97.50%

X

- Definition

Joint venture ownership percentage

+ References

No definition available.

+ Details

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X

- Definition

Total number of inpatient rehabilitation hospitals owned and operated as of the balance sheet date.

+ References

No definition available.

+ Details

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Namespace Prefix:	ehc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number of inpatient rehabilitation units under management contracts with the Company as of the balance sheet date.

+ References

No definition available.

+ Details

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Namespace Prefix:	ehc_
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X

- Definition

Total number of jointly owned inpatient rehabilitation hospitals owned and operated as of the balance sheet date.

+ References

No definition available.

+ Details

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X

- Definition

Total number of solely owned inpatient rehabilitation hospitals owned and operated as of the balance sheet date.

+ References

No definition available.

+ Details

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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

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X

- Definition

The number of states the entity operates in as of the balance sheet date.

+ References

No definition available.

+ Details

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