Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 35,179	$ 47,226	$ 50,775
Change in cumulative translation adjustment	1,074	165	(1,289)
Other comprehensive income (loss), net of tax	1,074	165	(1,289)
Comprehensive income	36,253	47,391	49,486
Less: comprehensive income attributable to non-controlling interest	22,895	24,918	34,065
Comprehensive income attributable to RE/MAX Holdings, Inc., net of tax	$ 13,358	$ 22,473	$ 15,421