Non-controlling Interest - Summary of Reconciliation from Income Before Provision for Income Taxes to Net Income (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Noncontrolling Interest [Abstract]
Income before provision for income taxes	$ 11,278	$ 9,683
Weighted average ownership percentage of controlling interest	39.99%	39.56%
Income before provision for income taxes attributable to RE/MAX Holdings, Inc.	4,510	3,831
Provision for income taxes attributable to RE/MAX Holdings, Inc.	(1,759)	(1,423)
Net income attributable to RE/MAX Holdings, Inc.	$ 2,751	$ 2,408