Non-controlling Interest - Provision for income taxes reconciliation (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Minority Interest [Line Items]
Provision for income taxes attributable to RE/MAX Holdings, Inc.	$ (2,779,000)	$ (2,508,000)	$ (7,532,000)	$ (6,525,000)
Provision for income taxes attributable to noncontrolling interest	(498,000)	(608,000)	(1,350,000)	(1,605,000)
Provision for income tax expense	(3,277,000)	(3,116,000)	(8,882,000)	(8,130,000)
Certain foreign jurisdictions
Minority Interest [Line Items]
Provision for income tax expense	$ (346,000)	$ (395,000)	$ (924,000)	$ (1,049,000)
RE/MAX, LLC
Minority Interest [Line Items]
Controlling interest ownership percentage			40.00%