Acquisitions and Dispositions - Acquisitions (Details) - USD ($)						3 Months Ended	6 Months Ended
	Dec. 15, 2016	Dec. 01, 2016	Sep. 12, 2016	Apr. 01, 2016	Feb. 22, 2016	Jun. 30, 2016	Jun. 30, 2016	Jun. 30, 2017	Dec. 31, 2016
Purchase Price Allocation
Goodwill								$ 127,081,000	$ 126,633,000
Pro Forma Information
Total revenue						$ 46,309,000	$ 92,293,000
Net income attributable to RE/MAX Holdings, Inc.						$ 7,058,000	$ 10,965,000
Basic earnings per common share						$ 0.40	$ 0.62
Diluted earnings per common share						$ 0.40	$ 0.62
Professional fees and debt extinguishment costs related to amendment of credit facility							$ 1,000,000
RE/MAX Regional Services
Business Acquisition [Line Items]
Cash consideration	$ 50,400,000
Purchase Price Allocation
Franchise agreements	28,000,000
Goodwill	22,400,000
Total purchase price	$ 50,400,000
RE/MAX of New Jersey
Business Acquisition [Line Items]
Cash consideration		$ 45,000,000
Purchase Price Allocation
Cash and cash equivalents		335,000
Franchise agreements		28,200,000
Goodwill		16,800,000
Other liabilities		(335,000)
Total purchase price		$ 45,000,000
Full House Mortgage Connection, Inc.
Business Acquisition [Line Items]
Cash consideration			$ 8,000,000
Purchase Price Allocation
Non-compete agreement			2,500,000
Goodwill			11,800,000
Total purchase price			14,300,000
Contingent consideration liability			$ 6,300,000					$ 6,230,000
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
Re/Max of New York, Inc.
Business Acquisition [Line Items]
Cash consideration					$ 8,500,000
Purchase Price Allocation
Cash and cash equivalents					131,000
Franchise agreements					5,000,000
Other assets					340,000
Goodwill					3,029,000
Total purchase price					$ 8,500,000
Re/Max Of Georgia, Re/Max Of Kentucky And Tennessee, Re/Max Of Southern Ohio, Re/Max Of New Jersey, Full House, Re/Max Of New York And Re/Max Of Alaska
Purchase Price Allocation
Cash and cash equivalents									466,000
Franchise agreements									61,729,000
Non-compete agreement									2,500,000
Other assets									340,000
Goodwill									55,000,000
Other liabilities									(335,000)
Total purchase price									$ 119,700,000