Leases - Operating Leases - Additional Information (Details)	6 Months Ended
Jun. 30, 2019 Facility
Leases [Abstract]
Number of skilled nursing facilities under non-cancelable operating leases	9

Represents the number of skilled nursing facilities covered under non-cancelable operating leases, leased by the entity.

No definition available.

Name:	rhe_OperatingLeasesNumberOfSkilledNursingFacilitiesLeased
Namespace Prefix:	rhe_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration