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Property and Equipment - Textual (Details)	Dec. 31, 2020
Property, Plant and Equipment [Abstract]
Percentage of property and equipment, net pledged to lenders under credit agreement (percent)	72.00%

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- Definition

Percentage of assets pledged to lenders under credit agreement.

+ References

No definition available.

+ Details

Name:	ehc_Percentageofassetspledgedtolendersundercreditagreement
Namespace Prefix:	ehc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

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- References

No definition available.

+ Details

Name:	us-gaap_PropertyPlantAndEquipmentAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration