Notes Payable and Other Debt - Additional Information (Details)	Jun. 30, 2022 Credit_instrument
Debt Disclosure [Abstract]
Number of credit related instruments	16

Debt instrument, number of credit related instruments.

No definition available.

Name:	rhe_DebtInstrumentNumberOfCreditRelatedInstruments
Namespace Prefix:	rhe_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant