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									12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Numerator
Net income attributable to RE/MAX Holdings, Inc.	$ 4,046	$ 4,797	$ 4,970	$ 2,751	$ 2,376	$ 4,275	$ 4,377	$ 2,408	$ 1,506	$ 16,655	$ 13,436
Denominator for basic net income per share of Class A common stock
Weighted average shares outstanding, basic	14,283,839	12,333,690	12,225,678	11,817,605	11,662,874	11,579,669	11,593,885	11,607,971	11,607,971	12,671,051	11,611,164	11,607,971
Denominator for diluted net income per share of Class A common stock
Basic	14,283,839	12,333,690	12,225,678	11,817,605	11,662,874	11,579,669	11,593,885	11,607,971	11,607,971	12,671,051	11,611,164	11,607,971
Add dilutive effect of the following:
Weighted average shares of Class A common stock outstanding, diluted	14,351,911	12,420,748	12,399,527	12,293,505	12,259,440	12,229,010	12,230,014	12,254,474	12,234,905	12,829,214	12,241,977	12,234,905
Net income attributable to RE/MAX Holdings, Inc. per share
Basic	$ 0.28	$ 0.39	$ 0.41	$ 0.23	$ 0.20	$ 0.37	$ 0.38	$ 0.21	$ 0.13	$ 1.31	$ 1.16	$ 0.13
Diluted	$ 0.28	$ 0.39	$ 0.40	$ 0.22	$ 0.19	$ 0.35	$ 0.36	$ 0.20	$ 0.12	$ 1.30	$ 1.10	$ 0.12
Employee Stock Option
Add dilutive effect of the following:
Dilutive effect									597,895	130,001	578,888
Restricted Stock Units (RSUs)
Add dilutive effect of the following:
Dilutive effect									29,039	28,162	51,925