Loss contingency claims after disposal of facilities.

No definition available.

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

- Definition

Loss contingency, damages sought, per claim, value.

+ References

No definition available.

+ Details

Name:	rhe_LossContingencyDamagesSoughtPerClaimValue
Namespace Prefix:	rhe_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount awarded to other party in judgment or settlement of litigation.

+ References

No definition available.

+ Details

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

- Definition

Number of claims settled.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14557-108349

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Number of pending claims pertaining to a loss contingency.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Carrying amount of accrued known and estimated losses incurred as of the balance sheet date for which no insurance coverage exists, and for which a claim has been made or is probable of being asserted, typically arising from workmen's compensation-type of incidents and personal injury to nonemployees from accidents on the entity's property that are expected to be paid within one year (or the normal operating cycle, if longer).

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Details

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- Details

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- Details

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- Details

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Commitments and Contingencies - Additional Information (Details)			3 Months Ended
	Jan. 29, 2020 USD ($)	Oct. 27, 2016 USD ($)	Mar. 31, 2021 USD ($) Case	Mar. 31, 2020 credit_instrument Case	Dec. 31, 2020 USD ($)
Loss Contingencies [Line Items]
Self-insured reserve			$ 183,000		$ 183,000
Accounts Payable
Loss Contingencies [Line Items]
Self-insured reserve			$ 100,000		$ 200,000
Pending Litigation
Loss Contingencies [Line Items]
Pending litigation \| Case			0	11
Former Patients \| Pending Litigation
Loss Contingencies [Line Items]
Pending litigation \| Case				1
Pending Litigation
Loss Contingencies [Line Items]
Pending litigation \| Case			12
Current Or Prior Tenants Former Patients \| Pending Litigation
Loss Contingencies [Line Items]
Pending litigation \| Case			0	10
ARKANSAS \| Former Patients \| Settled Litigation
Loss Contingencies [Line Items]
Number of claims settled \| credit_instrument				1
Litigation settlement amount	$ 40,000
ARKANSAS \| Pending Litigation
Loss Contingencies [Line Items]
Loss contingency claims after disposal of facilities \| Case			4
ARKANSAS \| Current Or Prior Tenants Former Patients \| Settled Litigation
Loss Contingencies [Line Items]
Number of claims settled \| credit_instrument				1
Ohio \| Ohio Attorney General Action \| Dismissed Litigation
Loss Contingencies [Line Items]
Offer to settle claims		$ 1,000,000
Ohio \| Ohio Attorney General Action \| Dismissed Litigation \| Minimum
Loss Contingencies [Line Items]
Damages sought per claim or falsification		5,000
Ohio \| Ohio Attorney General Action \| Dismissed Litigation \| Maximum
Loss Contingencies [Line Items]
Damages sought per claim or falsification		$ 10,000