Acquisitions and Dispositions - Acquisitions (Details) - USD ($)				3 Months Ended		9 Months Ended
	Sep. 12, 2016	Apr. 01, 2016	Feb. 22, 2016	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Purchase Price Allocation
Cash and cash equivalents				$ 131,000		$ 131,000
Goodwill				87,731,000		87,731,000		$ 71,871,000
Full House Mortgage Connection, Inc.
Business Acquisition [Line Items]
Cash consideration	$ 8,000,000
Contingent consideration liability	$ 6,300,000			6,300,000		$ 6,300,000
Percentage of revenue share payment	8.00%
Period over which contingent consideration must be paid	10 years
Purchase Price Allocation
Non-compete agreement	$ 2,500,000
Goodwill	11,800,000
Total purchase price	$ 14,300,000
Useful life of intangible assets						10 years
RE/MAX of Alaska, Inc.
Business Acquisition [Line Items]
Cash consideration		$ 1,500,000
Purchase Price Allocation
Franchise agreements		529,000
Goodwill		971,000
Total purchase price		$ 1,500,000
Remaining amortization period of franchise agreement							5 years
Remax of New York, Inc.
Business Acquisition [Line Items]
Cash consideration			$ 8,500,000
Purchase Price Allocation
Cash and cash equivalents			131,000
Franchise agreements			5,100,000
Other assets			350,000
Goodwill			2,919,000
Total purchase price			$ 8,500,000
Remaining amortization period of franchise agreement						11 years
Re/Max of New York and Re/Max of Alaska Pro Forma results
Pro Forma Information
Total revenue				45,544,000	$ 45,628,000	$ 132,285,000	$ 134,970,000
Net income attributable to RE/MAX Holdings, Inc.				$ 6,914,000	$ 4,877,000	$ 19,074,000	$ 12,600,000
Basic earnings per common share				$ 0.39	$ 0.40	$ 1.08	$ 1.04
Diluted earnings per common share				$ 0.39	$ 0.39	$ 1.08	$ 1.02