Quarterly Financial Information (unaudited) - Schedule of Quarterly Financial Information (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended									12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Quarterly Financial Information Disclosure [Abstract]
Total revenue	$ 42,565	$ 44,240	$ 42,299	$ 41,880		$ 40,234	$ 40,312	$ 39,241	$ 39,075	$ 170,984	[1],[2]	$ 158,862	[1],[2]	$ 143,677	[1],[2]
Total operating expenses	30,312	24,326	23,287	29,224		30,565	25,758	25,744	29,715	107,149		111,782		98,131
Operating income	12,253	19,914	19,012	12,656		9,669	14,554	13,497	9,360	63,835		47,080		45,546
Total other expenses, net	(2,818)	(2,743)	(1,374)	(2,973)		(2,958)	(6,155)	(3,372)	(3,499)	(9,908)		(15,984)		(10,084)
Income before provision for income taxes	9,435	17,171	17,638	9,683	6,048	6,711	8,399	10,125	5,861	53,927		31,096		35,462
Provision for income taxes	(1,818)	(3,116)	(3,129)	(1,885)	(1,071)	(1,111)	(702)	(577)	(454)	(9,948)		(2,844)		(2,138)
Net income	7,617	14,055	14,509	7,798	4,976	5,600	7,697	9,548	5,407	43,979		28,252		33,324
Less: net income attributable to non-controlling interest	5,241	9,780	10,132	5,390		4,094	7,697	9,548	5,407	(30,543)		(26,746)		(33,324)
Net income attributable to RE/MAX Holdings, Inc.	$ 2,376	$ 4,275	$ 4,377	$ 2,408	$ 1,506	$ 1,506				$ 13,436		$ 1,506
Net income attributable to RE/MAX Holdings, Inc. per share of Class A common stock
Basic	$ 0.20	$ 0.37	$ 0.38	$ 0.21	$ 0.13					$ 1.16
Diluted	$ 0.19	$ 0.35	$ 0.36	$ 0.20	$ 0.12					$ 1.10
Weighted average shares of Class A common stock outstanding
Basic	11,662,874	11,579,669	11,593,885	11,607,971	11,607,971					11,611,164
Diluted	12,259,440	12,229,010	12,230,014	12,254,474	12,234,905					12,241,977

[1] Transactions between the Real Estate Franchise Services and the Brokerages reportable segments are eliminated in consolidation. Revenues for the Real Estate Franchise Services reportable segment include intercompany amounts paid from the Company’s Brokerage Services business of $1,844,000, $1,536,000 and $1,478,000 for the years ended December 31, 2014, 2013 and 2012, respectively. Such amounts are eliminated through the Brokerages reportable segment.

[2] Revenue recognized for fees assessed by the Company-owned brokerages for services provided to their affiliated real estate agents is entirely attributable to the Company’s U.S. operations. Revenue recognized for franchise services provided to the agents and franchisees in the Company’s network relates to operations in the U.S., Canada and outside of the U.S. and Canada.