Non-controlling Interest - Summary of Ownership of the Common Units (Detail) (RMCO, LLC)	Mar. 31, 2015	Dec. 31, 2014	Oct. 07, 2013
Minority Interest [Line Items]
Total number of common stock units	29,766,209	29,502,641
Total percentage of common stock units	40.42%	39.89%	39.56%
Total percentage of common stock units	100.00%	100.00%
Non-controlling interest
Minority Interest [Line Items]
Total number of common stock units	17,734,600	17,734,600
Total percentage of common stock units	59.58%	60.11%
RE/MAX Holdings outstanding Class A common stock (equal to RE/MAX Holdings Common Units in RMCO)
Minority Interest [Line Items]
Total number of common stock units	12,031,609	11,768,041
Total percentage of common stock units	40.42%	39.89%