Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2019	Oct. 31, 2019
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Sep. 30, 2019
Entity File Number	001-36101
Entity Registrant Name	RE/MAX Holdings, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	80-0937145
Entity Address Line One	5075 South Syracuse Street
Entity Address City or Town	Denver
Entity Address State or Province	CO
Entity Address Postal Zip Code	80237
City Area Code	303
Local Phone Number	770-5531
Title of 12(b) Security	Class A Common Stock, $0.0001 par value per share
Trading Symbol	RMAX
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q3
Entity Central Index Key	0001581091
Amendment Flag	false
Common Class A
Entity Common Stock, Shares Outstanding		17,835,719
Common Class B
Entity Common Stock, Shares Outstanding		1