Broker fees amount is paid as a percentage of the total commission on the transaction.

No definition available.

Name:	rmax_BrokerFeesAsPercentOfTotalCommission
Namespace Prefix:	rmax_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents grandfathered agents as a percent of total agents.

+ References

No definition available.

+ Details

Name:	rmax_GrandfatheredAgentsAsPercentOfTotalAgents
Namespace Prefix:	rmax_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of corporate subsidiaries owned by RMCO.

+ References

No definition available.

+ Details

Name:	rmax_NumberOfCorporateSubsidiaries
Namespace Prefix:	rmax_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of countries and territories conducted operations by the entity.

+ References

No definition available.

+ Details

Name:	rmax_NumberOfCountriesAndTerritoriesConductedOperations
Namespace Prefix:	rmax_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of states where pilot program is launched.

+ References

No definition available.

+ Details

Name:	rmax_NumberOfStatesWherePilotProgramIsLaunched
Namespace Prefix:	rmax_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of income on which income tax provision to be recognized.

+ References

No definition available.

+ Details

Name:	rmax_PercentageOfIncomeOnWhichIncomeTaxProvisionRecognized
Namespace Prefix:	rmax_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Significant accounting policies line items.

+ References

No definition available.

+ Details

Name:	rmax_SignificantAccountingPoliciesLineItems
Namespace Prefix:	rmax_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

Name:	us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_SoftwareAndSoftwareDevelopmentCostsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=rmax_RMCOLlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=rmax_RMCOLlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ConsolidatedEntitiesAxis=srt_SubsidiariesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Summary of Significant Accounting Policies - Additional Information (Details)	12 Months Ended
	Dec. 31, 2024 subsidiary country	Dec. 31, 2022 state	Dec. 31, 2023
Significant Accounting Policies [Line Items]
Broker fees, as a percent	1.00%
Percentage of agent	23.00%
Number of states where pilot program \| state		5
Equity-based compensation vesting period	3 years
Minimum
Significant Accounting Policies [Line Items]
Number of countries and territories operations conducted \| country	110
Software \| Minimum
Significant Accounting Policies [Line Items]
Useful life of intangible assets	2 years
Software \| Maximum
Significant Accounting Policies [Line Items]
Useful life of intangible assets	5 years
RMCO, LLC
Significant Accounting Policies [Line Items]
Parent economic interest in RMCO (as a percentage)	60.20%		59.30%
RMCO, LLC \| Maximum
Significant Accounting Policies [Line Items]
Parent economic interest in RMCO (as a percentage)	60.00%
RMCO, LLC
Significant Accounting Policies [Line Items]
Number of corporate subsidiaries \| subsidiary	2
RMCO, LLC \| Subsidiaries
Significant Accounting Policies [Line Items]
Income tax provision recognized, percentage of income	100.00%