Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Revenue:
Continuing franchise fees	$ 93,694	$ 81,197	$ 73,750
Annual dues	33,767	32,653	31,758
Broker fees	43,801	37,209	32,334
Franchise sales and other franchise revenue	24,667	25,131	25,468
Brokerage revenue		112	13,558
Total revenue	195,929	176,302	176,868
Operating expenses:
Selling, operating and administrative expenses	107,268	88,213	91,561
Depreciation and amortization	20,512	16,094	15,124
Loss (gain) on sale or disposition of assets, net	660	178	(3,397)
Gain on reduction in tax receivable agreement liability (note 11)	(32,736)
Total operating expenses	95,704	104,485	103,288
Operating income	100,225	71,817	73,580
Other expenses, net:
Interest expense	(9,996)	(8,596)	(10,413)
Interest income	352	160	178
Foreign currency transaction gains (losses)	174	(86)	(1,661)
Loss on early extinguishment of debt		(796)	(94)
Equity in earnings of investees			1,215
Total other expenses, net	(9,470)	(9,318)	(10,775)
Income before provision for income taxes	90,755	62,499	62,805
Provision for income taxes	(55,576)	(15,273)	(12,030)
Net income	35,179	47,226	50,775
Less: net income attributable to non-controlling interest (note 3)	22,364	24,830	34,363
Net income attributable to RE/MAX Holdings, Inc.	$ 12,815	$ 22,396	$ 16,412
Net income attributable to RE/MAX Holdings, Inc. per share of Class A common stock
Basic	$ 0.72	$ 1.27	$ 1.30
Diluted	$ 0.72	$ 1.27	$ 1.28
Weighted average shares of Class A common stock outstanding
Basic	17,688,533	17,628,741	12,671,051
Diluted	17,731,800	17,677,768	12,829,214
Cash dividends declared per share of Class A common stock	$ 0.72	$ 0.60	$ 2.00
Common Class A
Net income attributable to RE/MAX Holdings, Inc. per share of Class A common stock
Basic	0.72	1.27	1.30
Diluted	$ 0.72	$ 1.27	$ 1.28
Weighted average shares of Class A common stock outstanding
Basic	17,688,533	17,628,741	12,671,051
Diluted	17,731,800	17,677,768	12,829,214
Cash dividends declared per share of Class A common stock	$ 0.72	$ 0.60	$ 2.00