Non-controlling Interest - Net income reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Noncontrolling Interest
Income before provision for income taxes attributable to RE/MAX Holdings, Inc.									$ 36,787	$ 26,797	$ 21,339
Provision for income taxes attributable to RE/MAX Holdings, Inc.									(14,050)	(10,142)	(7,903)
Net income attributable to RE/MAX Holdings, Inc.	$ 3,925	$ 6,911	$ 6,961	$ 4,940	$ 4,046	$ 4,797	$ 4,970	$ 2,751	$ 22,737	$ 16,655	$ 13,436