Acquisitions and Dispositions - Acquisition of RE/MAX of New York, Inc. (Details) - USD ($)			3 Months Ended		6 Months Ended
	Apr. 01, 2016	Feb. 22, 2016	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Purchase Price Allocation
Cash and cash equivalents			$ 131,000		$ 131,000
Goodwill			75,977,000		75,977,000		$ 71,871,000
Pro Forma Information
Total revenue			43,441,000	$ 44,849,000	86,741,000	$ 89,548,000
Net income attributable to RE/MAX Holdings, Inc.			$ 7,077,000	$ 5,020,000	$ 12,147,000	$ 7,804,000
Basic earnings per common share			$ 0.40	$ 0.41	$ 0.69	$ 0.65
Diluted earnings per common share			$ 0.40	$ 0.40	$ 0.69	$ 0.63
RE/MAX of Alaska, Inc.
Business Acquisition [Line Items]
Purchase 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]
Purchase 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