Earnings Per Share and Dividends - Reconciliation of the numerator and denominator used in basic and diluted EPS calculations (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Numerator
Net income attributable to RE/MAX Holdings, Inc.	$ 4,912	$ 4,940
Net income attributable to RE/MAX Holdings, Inc. per share of Class A common stock
Anti-dilutive shares	0	0
Common Class A
Denominator for basic net income per share of Class A common stock
Weighted average shares of common stock outstanding	17,662,842	17,584,351
Denominator for diluted net income per share of Class A common stock
Weighted average shares of common stock outstanding	17,662,842	17,584,351
Add dilutive effect of the following:
Weighted average shares of common stock outstanding, diluted	17,716,013	17,638,667
Net income attributable to RE/MAX Holdings, Inc. per share of Class A common stock
Basic	$ 0.28	$ 0.28
Diluted	$ 0.28	$ 0.28
Common Class B
Denominator for basic net income per share of Class A common stock
Weighted average shares of common stock outstanding	1
Denominator for diluted net income per share of Class A common stock
Weighted average shares of common stock outstanding	1
Employee Stock Option | Common Class A
Add dilutive effect of the following:
Dilutive effect		15,635
Restricted Stock Units (RSUs) | Common Class A
Add dilutive effect of the following:
Dilutive effect	53,171	38,681