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		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Numerator
Net income attributable to RE/MAX Holdings, Inc.	$ 7,529	$ 6,961	$ 12,442	$ 11,901
Net income attributable to RE/MAX Holdings, Inc. per share of Class A common stock
Anti-dilutive shares	0	0	0	0
Common Class A
Denominator for basic net income per share of common stock
Weighted Average Number Of Shares Outstanding Basic	17,696,842	17,636,590	17,679,936	17,610,470
Denominator for diluted net income per share of common stock
Weighted average shares of Class A common stock outstanding	17,696,842	17,636,590	17,679,936	17,610,470
Add dilutive effect of the following:
Weighted average shares of Class A common stock outstanding, diluted	17,723,802	17,668,995	17,720,564	17,653,433
Net income attributable to RE/MAX Holdings, Inc. per share of Class A common stock
Basic	$ 0.43	$ 0.39	$ 0.70	$ 0.68
Diluted	$ 0.42	$ 0.39	$ 0.70	$ 0.67
Common Class B
Denominator for basic net income per share of common stock
Weighted Average Number Of Shares Outstanding Basic			1
Denominator for diluted net income per share of common stock
Weighted average shares of Class A common stock outstanding			1
Employee Stock Option | Common Class A
Add dilutive effect of the following:
Dilutive effect		4,360		10,047
Restricted Stock Units (RSUs) | Common Class A
Add dilutive effect of the following:
Dilutive effect	26,960	28,045	40,628	32,916